Question about 1997 Chevrolet Cavalier

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Motor is running like it is misfiring

I changed the cam sensor but that didn't help could it be the crankshaft sensor?

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At night time, start your car and in a dark place, open the hood and look for sparks jumping out of your wires.  SHUT THE CAR OFF before trying to move them.  If you see ANY sparks, replace all the spark plug wires.

Posted on Jul 09, 2009

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Usually a bad crankshaft sensor won't let you start the car at all --- shutting off power to the fuel system --- I would check the ignition components: plugs, wires, etc, after that the fuel system---injectors and fuel system controls, --- I don't think you have a pcm ( computer ) problem ---you need to start with checking the input devices and outut devices that work with the computer. best to go to local auto parts store and get a manual to familiarize yourself with components and their functions

Posted on Jun 22, 2009

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Check crankshaft sensor then replace .

Posted on Jun 22, 2009

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I have a 1997 Chevy 1500 Cheyenne with 305 vortex with code p1345 manufacturer control. Ignition system or misfire

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wow, no year car, nor engine type. stated.
does engine run? this is first ,no?
how many miles on it, 50k, 300K? what?
has the cam change been making noise for ever?

it means the input signals from that sensor is bad.
that means its bad or the wires connecting it are bad.
1nz-fe engine? 1.5L
if rpm is limited to 3000 rpm the ECU is in limp home mode.
no other codes, does it run at all ?

the ECU brain, what it means when 388 are thrown.?
it means the ECU thinks the engine is spinning but
the Crank sensor is producing odd signals.
since you failed to say , if engine runs or not, i must guess.
it can also mean the Cam sensor is not agreeing with the crank sensor.
1: sensor dead. (wires first)
2: sensor misfiring (wires usually)
3: The ecu can report 1 misfire in 10 from both sensors !

crank pulley is right side of car
facing it, the sensors is at about 7PM
check wires there.? yet?

post more facts and we can do test.
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You didn't mention if you changed the plug wires.

You mentioned replacing the camshaft sensor. Have you checked the Crankshaft Position Sensor? Or the Mass Air Flow Sensor (may need cleaning)? Or the Throttle Position Sensor?

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05 kia amanti with diagnostics codes p0350,p0320,p0300,p0302,p0303,p0304,p0305,p0306.skipping at times.when it does skip & misfire the rpm gauge goes crazy.this problem is not consitant

Generic OBD II Diagnostic Trouble Codes

DTC CODES P0300 to P0399

P0300....Random/Multiple Cylinder Misfire Detected

P0301....Cylinder 1 Misfire Detected

P0302....Cylinder 2 Misfire Detected

P0303....Cylinder 3 Misfire Detected

P0304....Cylinder 4 Misfire Detected

P0305....Cylinder 5 Misfire Detected

P0306....Cylinder 6 Misfire Detected

P0307....Cylinder 7 Misfire Detected

P0308....Cylinder 8 Misfire Detected

P0309....Cylinder 9 Misfire Detected

P0310....Cylinder 10....Misfire Detected

P0311....Cylinder 11 Misfire Detected

P0312....Cylinder 12 Misfire Detected

P0313....Misfire Detected with Low Fuel

P0314....Single Cylinder Misfire (Cylinder not Specified)

P0320....Ignition/Distributor Engine Speed Input Circuit

P0321....Ignition/Distributor Engine Speed Input Circuit Range/Performance

P0322....Ignition/Distributor Engine Speed Input Circuit No Signal

P0323....Ignition/Distributor Engine Speed Input Circuit Intermittent

P0324....Knock Control System Error

P0325....Knock Sensor 1 Circuit (Bank 1 or Single Sensor)

P0326....Knock Sensor 1 Circuit Range/Performance (Bank 1 or Single Sensor)

P0327....Knock Sensor 1 Circuit Low Input (Bank 1 or Single Sensor)

P0328....Knock Sensor 1 Circuit High Input (Bank 1 or Single Sensor)

P0329....Knock Sensor 1 Circuit Input Intermittent (Bank 1 or Single Sensor)

P0330....Knock Sensor 2 Circuit (Bank 2)

P0331....Knock Sensor 2 Circuit Range/Performance (Bank 2)

P0332....Knock Sensor 2 Circuit Low Input (Bank 2)

P0333....Knock Sensor 2 Circuit High Input (Bank 2)

P0334....Knock Sensor 2 Circuit Input Intermittent (Bank 2)

P0335....Crankshaft Position Sensor A Circuit

P0336....Crankshaft Position Sensor A Circuit Range/Performance

P0337....Crankshaft Position Sensor A Circuit Low Input

P0338....Crankshaft Position Sensor A Circuit High Input

P0339....Crankshaft Position Sensor A Circuit Intermittent

P0340....Camshaft Position Sensor 'A' Circuit (Bank 1 or Single Sensor)

P0341 Camshaft Position Sensor 'A' Circuit Range/Performance (Bank 1 or Single Sensor)

P0342....Camshaft Position Sensor 'A' Circuit Low Input (Bank 1 or Single Sensor)

P0343....Camshaft Position Sensor 'A' Circuit High Input (Bank 1 or Single Sensor)

P0344....Camshaft Position Sensor 'A' Circuit Intermittent (Bank 1 or Single Sensor)

P0345....Camshaft Position Sensor 'A' Circuit (Bank 2)

P0346....Camshaft Position Sensor 'A' Circuit Range/Performance (Bank 2)

P0347....Camshaft Position Sensor 'A' Circuit Low Input (Bank 2)

P0348....Camshaft Position Sensor 'A' Circuit High Input (Bank 2)

P0349....Camshaft Position Sensor 'A' Circuit Intermittent (Bank 2)

P0350....Ignition Coil Primary/Secondary Circuit

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