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P1341 — Multiple Cylinder Misfire With Fuel Cut-off

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Code

P1341

BMW P — Powertrain

Multiple Cylinder Misfire With Fuel Cut-off

Brand: BMW
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Faulty ignition components (coils, spark plugs, wiring)
  • Insufficient fuel delivery (low rail pressure, clogged pump/filter, faulty pressure regulator)
  • Multiple clogged or leaking fuel injectors
  • Mechanical problems (low compression, valve timing issues, head gasket leak)
  • Intake or vacuum leaks affecting multiple cylinders
  • Camshaft/crankshaft position sensor fault or timing correlation error

Symptoms

  • Illuminated Check Engine Light with misfire/DTC present
  • Rough idle and pronounced vibration
  • Loss of power, hesitation or stumbling under load
  • Poor fuel economy and increased emissions
  • Possible limp-home behavior or reduced performance (fuel cut active)
  • Intermittent or persistent stalling

What to check

  • Read freeze frame and stored misfire counts with a capable scan tool
  • Observe live data: per-cylinder misfire counters, fuel rail pressure, injector pulse width, ignition coil driver status
  • Check short-term and long-term fuel trims and O2 sensor activity
  • Perform a visual inspection of ignition coils, spark plugs and wiring harness connectors
  • Measure fuel rail pressure (static and while cranking/running)
  • Compression or cylinder leak-down test on all cylinders

Signal parameters

  • Per-cylinder misfire counters (counts/min or total misfires)
  • Crankshaft RPM stability / variation trace
  • Fuel rail pressure (bar or psi) at idle and under load
  • Injector pulse width (ms) and duty cycle
  • Ignition coil primary/secondary waveforms (volts/mV)
  • Short-term and long-term fuel trim (%)

Diagnostic algorithm

  1. Connect a qualified scan tool. Record freeze frame, misfire counts per cylinder, fuel rail pressure, fuel trims and related codes.
  2. Verify whether fuel cut-off was commanded (note fuel cut status in live data). Do not assume cause—treat as protective action.
  3. Perform a visual inspection: check for loose/disconnected vacuum lines, damaged ignition leads/coils, oil/fuel contamination on plugs.
  4. Check fuel system: measure static and dynamic fuel rail pressure vs. manufacturer spec; inspect fuel filter and pump operation.
  5. Test ignition: check spark plugs condition and gaps, swap coils between affected and known-good cylinders to see if misfire follows coil.
  6. Test injectors: monitor injector pulse and fuel spray (or swap injectors) to identify a faulty injector or driver channel.
  7. Mechanical checks: perform compression or leak-down test across all cylinders to rule out low compression or valve timing issues.
  8. Verify cam/crank sensors and timing: capture crank and cam sensor waveforms and check phase/timing consistency; inspect timing chain/belt and phasers if applicable.
  9. Inspect wiring and connectors to ECM/injector/coil circuits for corrosion, shorts, opens, or high resistance. Wiggle-test harness with scope if intermittent.
  10. Clear codes and perform a controlled road or dyno test while monitoring live parameters to confirm repair or reproduce fault.
  11. If no hardware fault found, check for software updates/TSBs and consider ECM/driver module testing or replacement as a last resort.

Likely causes

  • Weak or failing ignition coils affecting several cylinders
  • Fuel rail pressure low or intermittent (fuel pump or regulator issue)
  • Timing chain/belt jump or cam/phaser failure causing multiple misfires
  • Severe vacuum leak or intake manifold gasket failure
  • Multiple injector fouling or ECM driver circuit failure

Fault status

⚠️ Status
Multiple cylinder misfires detected — fuel injection cut-off commanded to protect engine/catalyst. Inspect ignition, fuel delivery, mechanical timing and sensors.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1-3 hours

Similar codes

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479

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Code

P1341

DAEWOO P — Powertrain

#1 ION CIRCUIT

Brand: DAEWOO
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Faulty ignition components (coils, spark plugs, wiring)
  • Insufficient fuel delivery (low rail pressure, clogged pump/filter, faulty pressure regulator)
  • Multiple clogged or leaking fuel injectors
  • Mechanical problems (low compression, valve timing issues, head gasket leak)
  • Intake or vacuum leaks affecting multiple cylinders
  • Camshaft/crankshaft position sensor fault or timing correlation error

Symptoms

  • Illuminated Check Engine Light with misfire/DTC present
  • Rough idle and pronounced vibration
  • Loss of power, hesitation or stumbling under load
  • Poor fuel economy and increased emissions
  • Possible limp-home behavior or reduced performance (fuel cut active)
  • Intermittent or persistent stalling

What to check

  • Read freeze frame and stored misfire counts with a capable scan tool
  • Observe live data: per-cylinder misfire counters, fuel rail pressure, injector pulse width, ignition coil driver status
  • Check short-term and long-term fuel trims and O2 sensor activity
  • Perform a visual inspection of ignition coils, spark plugs and wiring harness connectors
  • Measure fuel rail pressure (static and while cranking/running)
  • Compression or cylinder leak-down test on all cylinders

Signal parameters

  • Per-cylinder misfire counters (counts/min or total misfires)
  • Crankshaft RPM stability / variation trace
  • Fuel rail pressure (bar or psi) at idle and under load
  • Injector pulse width (ms) and duty cycle
  • Ignition coil primary/secondary waveforms (volts/mV)
  • Short-term and long-term fuel trim (%)

Diagnostic algorithm

  1. Connect a qualified scan tool. Record freeze frame, misfire counts per cylinder, fuel rail pressure, fuel trims and related codes.
  2. Verify whether fuel cut-off was commanded (note fuel cut status in live data). Do not assume cause—treat as protective action.
  3. Perform a visual inspection: check for loose/disconnected vacuum lines, damaged ignition leads/coils, oil/fuel contamination on plugs.
  4. Check fuel system: measure static and dynamic fuel rail pressure vs. manufacturer spec; inspect fuel filter and pump operation.
  5. Test ignition: check spark plugs condition and gaps, swap coils between affected and known-good cylinders to see if misfire follows coil.
  6. Test injectors: monitor injector pulse and fuel spray (or swap injectors) to identify a faulty injector or driver channel.
  7. Mechanical checks: perform compression or leak-down test across all cylinders to rule out low compression or valve timing issues.
  8. Verify cam/crank sensors and timing: capture crank and cam sensor waveforms and check phase/timing consistency; inspect timing chain/belt and phasers if applicable.
  9. Inspect wiring and connectors to ECM/injector/coil circuits for corrosion, shorts, opens, or high resistance. Wiggle-test harness with scope if intermittent.
  10. Clear codes and perform a controlled road or dyno test while monitoring live parameters to confirm repair or reproduce fault.
  11. If no hardware fault found, check for software updates/TSBs and consider ECM/driver module testing or replacement as a last resort.

Likely causes

  • Weak or failing ignition coils affecting several cylinders
  • Fuel rail pressure low or intermittent (fuel pump or regulator issue)
  • Timing chain/belt jump or cam/phaser failure causing multiple misfires
  • Severe vacuum leak or intake manifold gasket failure
  • Multiple injector fouling or ECM driver circuit failure

Fault status

⚠️ Status
Multiple cylinder misfires detected — fuel injection cut-off commanded to protect engine/catalyst. Inspect ignition, fuel delivery, mechanical timing and sensors.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1-3 hours

Similar codes

Repair manuals

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Code

P1341

JAGUAR P — Powertrain

Camshaft Position Sensor B Circuit Range Performance

Brand: JAGUAR
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Faulty ignition components (coils, spark plugs, wiring)
  • Insufficient fuel delivery (low rail pressure, clogged pump/filter, faulty pressure regulator)
  • Multiple clogged or leaking fuel injectors
  • Mechanical problems (low compression, valve timing issues, head gasket leak)
  • Intake or vacuum leaks affecting multiple cylinders
  • Camshaft/crankshaft position sensor fault or timing correlation error

Symptoms

  • Illuminated Check Engine Light with misfire/DTC present
  • Rough idle and pronounced vibration
  • Loss of power, hesitation or stumbling under load
  • Poor fuel economy and increased emissions
  • Possible limp-home behavior or reduced performance (fuel cut active)
  • Intermittent or persistent stalling

What to check

  • Read freeze frame and stored misfire counts with a capable scan tool
  • Observe live data: per-cylinder misfire counters, fuel rail pressure, injector pulse width, ignition coil driver status
  • Check short-term and long-term fuel trims and O2 sensor activity
  • Perform a visual inspection of ignition coils, spark plugs and wiring harness connectors
  • Measure fuel rail pressure (static and while cranking/running)
  • Compression or cylinder leak-down test on all cylinders

Signal parameters

  • Per-cylinder misfire counters (counts/min or total misfires)
  • Crankshaft RPM stability / variation trace
  • Fuel rail pressure (bar or psi) at idle and under load
  • Injector pulse width (ms) and duty cycle
  • Ignition coil primary/secondary waveforms (volts/mV)
  • Short-term and long-term fuel trim (%)

Diagnostic algorithm

  1. Connect a qualified scan tool. Record freeze frame, misfire counts per cylinder, fuel rail pressure, fuel trims and related codes.
  2. Verify whether fuel cut-off was commanded (note fuel cut status in live data). Do not assume cause—treat as protective action.
  3. Perform a visual inspection: check for loose/disconnected vacuum lines, damaged ignition leads/coils, oil/fuel contamination on plugs.
  4. Check fuel system: measure static and dynamic fuel rail pressure vs. manufacturer spec; inspect fuel filter and pump operation.
  5. Test ignition: check spark plugs condition and gaps, swap coils between affected and known-good cylinders to see if misfire follows coil.
  6. Test injectors: monitor injector pulse and fuel spray (or swap injectors) to identify a faulty injector or driver channel.
  7. Mechanical checks: perform compression or leak-down test across all cylinders to rule out low compression or valve timing issues.
  8. Verify cam/crank sensors and timing: capture crank and cam sensor waveforms and check phase/timing consistency; inspect timing chain/belt and phasers if applicable.
  9. Inspect wiring and connectors to ECM/injector/coil circuits for corrosion, shorts, opens, or high resistance. Wiggle-test harness with scope if intermittent.
  10. Clear codes and perform a controlled road or dyno test while monitoring live parameters to confirm repair or reproduce fault.
  11. If no hardware fault found, check for software updates/TSBs and consider ECM/driver module testing or replacement as a last resort.

Likely causes

  • Weak or failing ignition coils affecting several cylinders
  • Fuel rail pressure low or intermittent (fuel pump or regulator issue)
  • Timing chain/belt jump or cam/phaser failure causing multiple misfires
  • Severe vacuum leak or intake manifold gasket failure
  • Multiple injector fouling or ECM driver circuit failure

Fault status

⚠️ Status
Multiple cylinder misfires detected — fuel injection cut-off commanded to protect engine/catalyst. Inspect ignition, fuel delivery, mechanical timing and sensors.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1-3 hours

Similar codes

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+100 karma for a short comment :)
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Code

P1341

LAND ROVER P — Powertrain

Camshaft Position Sensor 2 Range/Performance Circuit

AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Faulty ignition components (coils, spark plugs, wiring)
  • Insufficient fuel delivery (low rail pressure, clogged pump/filter, faulty pressure regulator)
  • Multiple clogged or leaking fuel injectors
  • Mechanical problems (low compression, valve timing issues, head gasket leak)
  • Intake or vacuum leaks affecting multiple cylinders
  • Camshaft/crankshaft position sensor fault or timing correlation error

Symptoms

  • Illuminated Check Engine Light with misfire/DTC present
  • Rough idle and pronounced vibration
  • Loss of power, hesitation or stumbling under load
  • Poor fuel economy and increased emissions
  • Possible limp-home behavior or reduced performance (fuel cut active)
  • Intermittent or persistent stalling

What to check

  • Read freeze frame and stored misfire counts with a capable scan tool
  • Observe live data: per-cylinder misfire counters, fuel rail pressure, injector pulse width, ignition coil driver status
  • Check short-term and long-term fuel trims and O2 sensor activity
  • Perform a visual inspection of ignition coils, spark plugs and wiring harness connectors
  • Measure fuel rail pressure (static and while cranking/running)
  • Compression or cylinder leak-down test on all cylinders

Signal parameters

  • Per-cylinder misfire counters (counts/min or total misfires)
  • Crankshaft RPM stability / variation trace
  • Fuel rail pressure (bar or psi) at idle and under load
  • Injector pulse width (ms) and duty cycle
  • Ignition coil primary/secondary waveforms (volts/mV)
  • Short-term and long-term fuel trim (%)

Diagnostic algorithm

  1. Connect a qualified scan tool. Record freeze frame, misfire counts per cylinder, fuel rail pressure, fuel trims and related codes.
  2. Verify whether fuel cut-off was commanded (note fuel cut status in live data). Do not assume cause—treat as protective action.
  3. Perform a visual inspection: check for loose/disconnected vacuum lines, damaged ignition leads/coils, oil/fuel contamination on plugs.
  4. Check fuel system: measure static and dynamic fuel rail pressure vs. manufacturer spec; inspect fuel filter and pump operation.
  5. Test ignition: check spark plugs condition and gaps, swap coils between affected and known-good cylinders to see if misfire follows coil.
  6. Test injectors: monitor injector pulse and fuel spray (or swap injectors) to identify a faulty injector or driver channel.
  7. Mechanical checks: perform compression or leak-down test across all cylinders to rule out low compression or valve timing issues.
  8. Verify cam/crank sensors and timing: capture crank and cam sensor waveforms and check phase/timing consistency; inspect timing chain/belt and phasers if applicable.
  9. Inspect wiring and connectors to ECM/injector/coil circuits for corrosion, shorts, opens, or high resistance. Wiggle-test harness with scope if intermittent.
  10. Clear codes and perform a controlled road or dyno test while monitoring live parameters to confirm repair or reproduce fault.
  11. If no hardware fault found, check for software updates/TSBs and consider ECM/driver module testing or replacement as a last resort.

Likely causes

  • Weak or failing ignition coils affecting several cylinders
  • Fuel rail pressure low or intermittent (fuel pump or regulator issue)
  • Timing chain/belt jump or cam/phaser failure causing multiple misfires
  • Severe vacuum leak or intake manifold gasket failure
  • Multiple injector fouling or ECM driver circuit failure

Fault status

⚠️ Status
Multiple cylinder misfires detected — fuel injection cut-off commanded to protect engine/catalyst. Inspect ignition, fuel delivery, mechanical timing and sensors.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1-3 hours

Similar codes

320

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Code

P1341

Other P — Powertrain

Camshaft Position Sensor B Range / Performance

Brand: Other
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Faulty ignition components (coils, spark plugs, wiring)
  • Insufficient fuel delivery (low rail pressure, clogged pump/filter, faulty pressure regulator)
  • Multiple clogged or leaking fuel injectors
  • Mechanical problems (low compression, valve timing issues, head gasket leak)
  • Intake or vacuum leaks affecting multiple cylinders
  • Camshaft/crankshaft position sensor fault or timing correlation error

Symptoms

  • Illuminated Check Engine Light with misfire/DTC present
  • Rough idle and pronounced vibration
  • Loss of power, hesitation or stumbling under load
  • Poor fuel economy and increased emissions
  • Possible limp-home behavior or reduced performance (fuel cut active)
  • Intermittent or persistent stalling

What to check

  • Read freeze frame and stored misfire counts with a capable scan tool
  • Observe live data: per-cylinder misfire counters, fuel rail pressure, injector pulse width, ignition coil driver status
  • Check short-term and long-term fuel trims and O2 sensor activity
  • Perform a visual inspection of ignition coils, spark plugs and wiring harness connectors
  • Measure fuel rail pressure (static and while cranking/running)
  • Compression or cylinder leak-down test on all cylinders

Signal parameters

  • Per-cylinder misfire counters (counts/min or total misfires)
  • Crankshaft RPM stability / variation trace
  • Fuel rail pressure (bar or psi) at idle and under load
  • Injector pulse width (ms) and duty cycle
  • Ignition coil primary/secondary waveforms (volts/mV)
  • Short-term and long-term fuel trim (%)

Diagnostic algorithm

  1. Connect a qualified scan tool. Record freeze frame, misfire counts per cylinder, fuel rail pressure, fuel trims and related codes.
  2. Verify whether fuel cut-off was commanded (note fuel cut status in live data). Do not assume cause—treat as protective action.
  3. Perform a visual inspection: check for loose/disconnected vacuum lines, damaged ignition leads/coils, oil/fuel contamination on plugs.
  4. Check fuel system: measure static and dynamic fuel rail pressure vs. manufacturer spec; inspect fuel filter and pump operation.
  5. Test ignition: check spark plugs condition and gaps, swap coils between affected and known-good cylinders to see if misfire follows coil.
  6. Test injectors: monitor injector pulse and fuel spray (or swap injectors) to identify a faulty injector or driver channel.
  7. Mechanical checks: perform compression or leak-down test across all cylinders to rule out low compression or valve timing issues.
  8. Verify cam/crank sensors and timing: capture crank and cam sensor waveforms and check phase/timing consistency; inspect timing chain/belt and phasers if applicable.
  9. Inspect wiring and connectors to ECM/injector/coil circuits for corrosion, shorts, opens, or high resistance. Wiggle-test harness with scope if intermittent.
  10. Clear codes and perform a controlled road or dyno test while monitoring live parameters to confirm repair or reproduce fault.
  11. If no hardware fault found, check for software updates/TSBs and consider ECM/driver module testing or replacement as a last resort.

Likely causes

  • Weak or failing ignition coils affecting several cylinders
  • Fuel rail pressure low or intermittent (fuel pump or regulator issue)
  • Timing chain/belt jump or cam/phaser failure causing multiple misfires
  • Severe vacuum leak or intake manifold gasket failure
  • Multiple injector fouling or ECM driver circuit failure

Fault status

⚠️ Status
Multiple cylinder misfires detected — fuel injection cut-off commanded to protect engine/catalyst. Inspect ignition, fuel delivery, mechanical timing and sensors.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1-3 hours

Similar codes

7,941

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Code

P1341

VOLKSWAGEN P — Powertrain

Ignition Coil Output Stage 1 Short To Ground

AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Faulty ignition components (coils, spark plugs, wiring)
  • Insufficient fuel delivery (low rail pressure, clogged pump/filter, faulty pressure regulator)
  • Multiple clogged or leaking fuel injectors
  • Mechanical problems (low compression, valve timing issues, head gasket leak)
  • Intake or vacuum leaks affecting multiple cylinders
  • Camshaft/crankshaft position sensor fault or timing correlation error

Symptoms

  • Illuminated Check Engine Light with misfire/DTC present
  • Rough idle and pronounced vibration
  • Loss of power, hesitation or stumbling under load
  • Poor fuel economy and increased emissions
  • Possible limp-home behavior or reduced performance (fuel cut active)
  • Intermittent or persistent stalling

What to check

  • Read freeze frame and stored misfire counts with a capable scan tool
  • Observe live data: per-cylinder misfire counters, fuel rail pressure, injector pulse width, ignition coil driver status
  • Check short-term and long-term fuel trims and O2 sensor activity
  • Perform a visual inspection of ignition coils, spark plugs and wiring harness connectors
  • Measure fuel rail pressure (static and while cranking/running)
  • Compression or cylinder leak-down test on all cylinders

Signal parameters

  • Per-cylinder misfire counters (counts/min or total misfires)
  • Crankshaft RPM stability / variation trace
  • Fuel rail pressure (bar or psi) at idle and under load
  • Injector pulse width (ms) and duty cycle
  • Ignition coil primary/secondary waveforms (volts/mV)
  • Short-term and long-term fuel trim (%)

Diagnostic algorithm

  1. Connect a qualified scan tool. Record freeze frame, misfire counts per cylinder, fuel rail pressure, fuel trims and related codes.
  2. Verify whether fuel cut-off was commanded (note fuel cut status in live data). Do not assume cause—treat as protective action.
  3. Perform a visual inspection: check for loose/disconnected vacuum lines, damaged ignition leads/coils, oil/fuel contamination on plugs.
  4. Check fuel system: measure static and dynamic fuel rail pressure vs. manufacturer spec; inspect fuel filter and pump operation.
  5. Test ignition: check spark plugs condition and gaps, swap coils between affected and known-good cylinders to see if misfire follows coil.
  6. Test injectors: monitor injector pulse and fuel spray (or swap injectors) to identify a faulty injector or driver channel.
  7. Mechanical checks: perform compression or leak-down test across all cylinders to rule out low compression or valve timing issues.
  8. Verify cam/crank sensors and timing: capture crank and cam sensor waveforms and check phase/timing consistency; inspect timing chain/belt and phasers if applicable.
  9. Inspect wiring and connectors to ECM/injector/coil circuits for corrosion, shorts, opens, or high resistance. Wiggle-test harness with scope if intermittent.
  10. Clear codes and perform a controlled road or dyno test while monitoring live parameters to confirm repair or reproduce fault.
  11. If no hardware fault found, check for software updates/TSBs and consider ECM/driver module testing or replacement as a last resort.

Likely causes

  • Weak or failing ignition coils affecting several cylinders
  • Fuel rail pressure low or intermittent (fuel pump or regulator issue)
  • Timing chain/belt jump or cam/phaser failure causing multiple misfires
  • Severe vacuum leak or intake manifold gasket failure
  • Multiple injector fouling or ECM driver circuit failure

Fault status

⚠️ Status
Multiple cylinder misfires detected — fuel injection cut-off commanded to protect engine/catalyst. Inspect ignition, fuel delivery, mechanical timing and sensors.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1-3 hours

Similar codes

139

Browse 139 VOLKSWAGEN manuals: repair procedures, diagnostics, wiring diagrams, component locations, service data and Labor Times by year, model and trim.

VOLKSWAGEN

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