Question about 1998 Chevrolet C1500

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How do i fix it the code is P1345

My 98 chevy express 1500 5.7 L I did replace the distributer a few months ago and it all the sudden started running rough

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  • Chevrolet Master
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P1345....Camshaft to crankshaft position correlation fault see the video and fix it. God bless you

Posted on Sep 28, 2012

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6 Suggested Answers

6ya6ya

6ya staff

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Posted on Jan 02, 2017

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joyellowhors

  • 303 Answers

SOURCE: 2000 chevy express 1500 van having starting issues

Start with fuel system. Listen for fuel pump humm at fuel tank No humm check wiring to pump for power. Then check for spark at plugs and wires. Remove wire from coil and hold near engine and see arch when you crank. No arch. Replace ignition Modular inside distributor cap or cap or rotor

Posted on Feb 04, 2010

Curt Downs

  • 1779 Answers

SOURCE: Chevy truck running rough 150,000 miles

Find out why the engine light is coming on, it is the info u probably need to fix the running rough problem. Most auto parts stores will read the codes stored in your trucks computer for free, write them down, and ask what they mean and how to correct the problem. If u need more info, return to this site w/ codes for further help.

Posted on Dec 30, 2008

Anonymous

  • 61 Answers

SOURCE: 1996 Chevy Express 1500 w/5.0 bogging only when warm.

The cylinder 7 misfire is likely a symptom of the problem, not the problem itself.

Typically, the catalytic converter has an oxygen sensor in front and behind it. When the vehicle is warm and running in closed loop mode, the upstream oxygen sensor waveform reading should fluctuate. The downstream 02 sensor reading should be fairly steady. Typically the P0420 code triggers the check engine light if the readings of the two sensors are similar. This is indicative of (among other things - such as faulty sensors in the "emissions loop") a converter that is not working as efficiently as it should be.

I do not believe that it is a problem with a valve/head gasket or cam.

Posted on Jan 13, 2009

Anonymous

  • 10 Answers

SOURCE: 1996 Chevy Silverado 1500 Starting Problems

Just from what you said it sounds like your vehicle might not be holding its residual pressure which means after you turn a vehicle off, your fuel injection system should hold a certain amount of pressure in the system, but if that pressure drops to fast your vehicle may have a hard time starting. Things to look for when you lose fuel pressure is the fuel pressure regulator may be leaking, fuel pump check valve,leaky fuel injector or they maybe a small leak in one of the fuel lines. I only suggested this cause i had a car with the similar problem.

Posted on Feb 01, 2009

Anonymous

  • 1 Answer

SOURCE: 1997 chevy truck running rough

97 chevy 1500 4x4 replaces plugs wires cap rotor dist pick up and crank sensor truck run good when cold as soon it heats up and comes to stop it feels like it boggs down runs rough and stalls any idea what to do?

Posted on Nov 04, 2009

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Just from what you said it sounds like your vehicle might not be holding its residual pressure which means after you turn a vehicle off, your fuel injection system should hold a certain amount of pressure in the system, but if that pressure drops to fast your vehicle may have a hard time starting. Things to look for when you lose fuel pressure is the fuel pressure regulator may be leaking, fuel pump check valve,leaky fuel injector or they maybe a small leak in one of the fuel lines. I only suggested this cause i had a car with the similar problem.

Feb 01, 2009 | 1999 Chevrolet Silverado 1500

3 Answers

1996 Chevy Express 1500 w/5.0 bogging only when warm.


The cylinder 7 misfire is likely a symptom of the problem, not the problem itself.

Typically, the catalytic converter has an oxygen sensor in front and behind it. When the vehicle is warm and running in closed loop mode, the upstream oxygen sensor waveform reading should fluctuate. The downstream 02 sensor reading should be fairly steady. Typically the P0420 code triggers the check engine light if the readings of the two sensors are similar. This is indicative of (among other things - such as faulty sensors in the "emissions loop") a converter that is not working as efficiently as it should be.

I do not believe that it is a problem with a valve/head gasket or cam.

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