Question about Pontiac Grand Am

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1997 pontiac grand am no spark no injector pulse, power to coil pack, new coil packs, new icm crank sensors and cam sensor check out ok what else could it be?

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  • Sean Drayton
    Sean Drayton Aug 03, 2010

    think i found the problem, if i re-set the security system on it i get spark and injector back but only breifly,is there a way to disengage the antitheft all together?

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6 Suggested Answers

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Check the cylinders Commpression. over 115 psi is good, 120 psi is normal.

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SOURCE: 1997 Dodge Intrepid cranks over won't fire

well first i can tell you to check your grounds from the battery for corrosion , it can be inside the cables also. next check out all the work you just did, make sure all electrical connections are tight, plug wires etc, any thing you touched.do the lights work fine when you try to turn it over? It could be alternator. if it turns the crank then it has to be an electrical problem. i will give you more ideas when they come to me.

Posted on Mar 16, 2009

chain saw
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SOURCE: 96 audi a6 quattro no spark or injector pulse

I WOULD GO FOR THE ECM AND CHECK WIRING

Posted on Mar 26, 2009

dmftrucker
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SOURCE: cranks and no spark no power at coil pack

i believe this line is fused from the E.C.M.,go to your local library and find a chilton's auto manual,this will tell you for sure

Posted on Aug 31, 2009

1fastbob
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SOURCE: my 2002 mustang GT hasits a misfire on cylinder 3

Clean the mass air flow sensor.

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1 Answer

Wont start. it has injector pulse but no spark


is there power and ground to the coils?

If there is injector pulse than the crank sensor has to be good. Injector pulse and spark are both calculated off from the signal from the crank sensor.

Checking for power and ground to the coils is a good place to start. If that checks out than either there is a wiring issue in between the PCM and the coils or possible the PCM has failed.

Nov 20, 2015 | 2001 Pontiac Firebird Trans Am

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1997 neon will not start


Check the ASD relay in under hood fuse/ relay box. ASD stands for automatic shut down relay. Powers up pcm ,fuel injectors and ignition system an O2sensor heaters .crank over the car an check for power at O2sensor heater fuse in the underhood fuse box ,no power means bad relay !

Jan 18, 2015 | Cars & Trucks

1 Answer

Where is the ignition module. Can I get to it from under the hood? Should I replace the Crank module when I replace the ignition module?


Hi.

The ICM is located under the hood, next to the coil pack and spark plug wires. Here the part: Pontiac Grand Am Ignition Control Module (ICM).

If you ar having distribution problem and misfire check also the crankshaft position sensor. It signal is used to control coils and sparks.

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1 Answer

Car cranks but will not start


Most probably its a low fuel pressure related problem.Get the fuel pressure checked.If its low then this is faulty fuel pump and clogged fuel filter issue.the other possibilities are,-----

A car that cranks over but doesn't start, in many cases will be due to a bad fuel pump, a broken timing belt, an inoperative cam sensor or crank sensor. Also this problems are related to faulty spark plug. Check the spark at spark plugs when you start the car. Do you notice any spark. Actually you should see. If in case there is no spark then it's a spark plug problem. Also the coil pack gives power to spark plug. So check the voltage at coil pack. It will show 12 volt.If there is no voltage noticed at coil pack then its faulty coil pack that has to be replaced.If all the possible options checked out ok then check the car starter. The starter gets power from battery to start the care. If the starter is faulty then it will not let the car to start. Also check and confirm that there is fuel in the car. If it very low fuel then in some cases this causes the problem. Also check and confirm that fuel pump is functioning properly and the fuel filter is not clogged. One of the easiest ways to check for a fuel pump related problem is to spray a little starting fluid into the air intake while trying to start the car. If the car starts momentarily, then there's a good chance the fuel pump is not working or the car is out of gas. You can also listen for the fuel pump's humming sound when the key is first turned on. Also if a inoperative fuel pump is suspected, a good technician will always check to verify there is power and ground being supplied to the pump, to eliminate the possibility of a bad relay or electrical issue. Fuel pressure can be checked with a pressure gage and if there is pressure, pulse can be checked at the fuel injectors in several ways including the most common, with the use of noid lights. If the injectors don't have pulse the engine won't start. ---------- This troubleshooting tips will help you to solve the problem.Thanks.Helpmech.

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2 Answers

97 plymouth voyager. no spark to cylinders


WELL I AM LOOKING AT AUTOMATIC SHUT RELAY BAD OR THE BAD COIL POWER TRANSISTOR.YOU WILL NEED A SCANNER TO TELL YOU IF YOUR CMP SENSOR OR CKP SENSOR IS WORKING.

Mar 01, 2010 | 1997 Dodge Caravan

1 Answer

Grand prix ste wont start or get a spark to the plugs!! I have replaced the ignition control mod the all the coil packs n the wires n plugs!! HELP!!!!


does it have injector pulse? you may need a crank sensor. common issue and also computer are very common also.

Jan 28, 2010 | 1990 Pontiac Grand Prix

2 Answers

I cant get spark out of the coil pack


cam sensor fires the injectors to synchronise injector pulsing with the spark at the spark plugs.. U need to probably change the crankshaft sensor (around the crank pulley) as the crank sensor is what controls the ignition spark.
hope that does it.
:)

Jan 20, 2009 | 1996 Plymouth Voyager

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