Question about Chevrolet Camaro

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94 camaro has a 350 engine and has no spark

I just replaced the fuel pump the icm and the coil

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  • Master
  • 1,448 Answers

Need more info does coil have voltage going to it if not sounds like it could be a bad crank sensor

Posted on Mar 27, 2014

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Posted on Jan 02, 2017

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phoenixinks
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SOURCE: engine cuts out on acceleration

could be the pump or injectors or both. while your at it check your fuel tank for rust dirt any thing.

good luck

Jason

Posted on Jan 17, 2009

  • 3 Answers

SOURCE: engine cranks ,but no spark.

ain t many more parts to electrical system left... i had same problem once n it was my ignition modulator.located under distributer.**** i can t remember,i think my car would not turn overfrom that.or only other thing could be a fuse.i 'd check every fuse too .hope this might help.

Posted on Mar 12, 2009

  • 2 Answers

SOURCE: replace fuel pump in 94 camaro without dropping the rearend?

I wouldnt cut a hole cuz the tank is about an inch away from your body . It is possible cuz my buddy did it to his 91 TBI really slow camaro . He made a door and had to cut his metal fuel lines and use hose clamps and rubber fuel lines to put it back together . It wont work on a 4th gen unless you cut a huge hole . Its a total barefoot redneck way to do it . Ive changed 4 in my 3rd gen (autozone pumps) back in the day and 3 in my 4th gen . Its not a easy task but you will spend as much time trying to cut a hole and fish your high pressure lines out of the way and fishing the whole sending unit out of your fabricated hole not to mention its a unibody and doesnt need holes in it or GM woulda put a door in from the factory . Drop your muffler all your suspension and the two 18mm bolts from your rear control arms and drop the rearend . Everything is out of the way then its 2 15mm bolts to loosen your tank straps and pop off your fuel lines which are plastic on a 4th gen and metal on a 3rd , and your there . Pop your retainer ring change the pickup screen (sock) when you change the pump then reverse the process . It usually takes 4 or 5 hours of hardcore wrenching but it gets easy after you change a few .The exhaust was the hardest to get off for me working off jackstands with a basic tool set . Lol cut it all off and replace it with a flowmaster cat back , its way easier and you will love the sound especially with headers . Its your car but im sure that most everyone who knows how to wrench , especially f bodys like myself will agree with me . Ive had both my cars tore apart and my 96 TA is gettting a 500 horse lt1 built for it as we speak . Its sat for 3 years so ill have to change my pump again no doubt . Oh buy a good bran name pump like an original Ac Delco or a good aftermarket one from summitt

Posted on Apr 01, 2009

  • 158 Answers

SOURCE: ford telstar ignition coil f-694 and igniter deliver no spark

your distributor modual needs replacing

Posted on Apr 01, 2009

  • 1382 Answers

SOURCE: "Cranks, but won't start". Replaced fuel pump, CKP, ICM & nothing

If the engine cranks over normally when you attempt to start you car, but the engine does not start, the problem may be NO FUEL, NO SPARK or NO COMPRESSION. The engine needs adequate fuel pressure, a properly timed spark and normal compression to start.


1) To find why the engine won't start, remove the air inlet tube from the throttle body, push the throttle open and spray a small amount of aerosol starting fluid into the engine. Crank the engine. If it has spark and compression but NO FUEL, it will start and run a few seconds before dying. If it does NOT start, it probably has NO SPARK.

2)Another method to check for spark is to pull a spark plug wire off of a spark plug (if it has plug wires, coil-on-plug ignitions do not) and place the open end of the plug wire near a metal surface on the engine. Have a helper crank the engine while you watch for a spark. DO NOT hold the wire while doing this as it can shock you. If you see a spark, the problem is not spark, but most likely NO FUEL or NO COMPRESSION. If you do not see a spark, the problem is in the IGNITION CIRCUIT.

3)Proper fuel pressure is critical for fuel injected engines to start and run. You should hear the fuel pump inside the fuel tank buzz for a couple of seconds when the ignition is turned on (no buzz means the pump is not running and the engine is not getting fuel). You can smell the tailpipe for gasoline vapors after cranking the engine. If you smell gas, the problem is likely not fuel but NO SPARK. You can also remove the plastic cap and press the schraeder valve test fitting on the fuel rail to see if there is any fuel pressure to the engine (not a very accurate test because fuel pressure must be at a certain level for the engine to start, for that you need a gauge). Even so, no fuel at the fuel rail would tell you fuel is not getting to the engine..

Posted on Aug 27, 2009

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2004 chevy impala start car runs about10 minutes then stalls new fuel pump when stalls cut out like running out of gas then don't start till cools off if electical to me would cut out instantly help


Not if ignition module . Electronic componets when heated up will act just like that . When it dies check spark, fuel pressure right away an find out what quit . Test don't guess . Videos on youtube on testing GM ignition system. Which engine does yours have ? Had option of two different ones . 3.4 an 3.8L . Ignition module or cranhshaft position sensor could be the cause .
Three dual tower ignition coils are mounted to the ICM, and are serviced individually. The ICM performs the following functions:
• The ICM supplies a power and low reference circuit to the CMP and CKP sensors.
• The ICM determines the correct direction of the crankshaft rotation, and cuts spark and fuel delivery to prevent damage from backfiring if reverse rotation is detected.
• The ICM determines the correct coil triggering sequence, based on how many 18 X ON-OFF pulses occur during a sync pulse. This coil sequencing occurs at start-up, and is remembered by the ICM. After the engine is running, the ICM will continue to trigger the coils without the CKP sync pulse.
• The ICM inputs 18 X and 3 X reference signals to the PCM.
• The 3 X reference signal is also known as the low resolution engine speed signal. This signal is generated by the ICM using an internal divide-by-six circuit. This circuit divides the 18 X signal pulses by 6. This divider circuit will not begin operation without a sync pulse present at start-up, and without 18 X and 3 X reference signals no fuel injection will occur.

Pull plug wires off same coil when it dies , crank the engine , is there spark ? Ignition Control Modules ICM by Wells featuring Sgt Tech

Nov 12, 2016 | 2004 Chevrolet Impala

1 Answer

94 camaro wont start...no firefrom the coil has new icm , coil , fuel pump


Check the icm plug with a led testlight for pulse while the engine is cranking. Test the wire connector with the small wires going into the coil for pulse.The v8 has a opti-spark distributor behind the waterpump that is prone to failure. It has the pickup inside it that tells the icm when to spark. If no pulse at icm distributor is bad. If pulse at icm but not at coil, icm or wiring between icm and coil is bad.The coil also needs pos.+ power on 1 terminal to operate. Be SURE to check the security light on the dash. If VATS [vehicle anti theft system] fails its usually within the 2 wires going from the key chip in the ignition tumbler to the body control module. Mine were purple and tan.Trying to start it with the wrong key can put it in lockout mode also. There are bypass modules available online for vats problems or you can even install a resistor in the wire to bypass the keychip part and the door alarms still work.

Mar 27, 2014 | 1994 Chevrolet Camaro

1 Answer

No spark after i replaced coils, ICM, spark plugs, wires


CHECK IGNITION MAIN FUSE. CODE SCAN FAULT IN THE ECM OR FAULT IN THE CKP SENSOR AND CMP SENSOR ALL THREE CONTROLS THE SPARK IGNITION TIMING AND SPARK ALSO FUEL INJECTORS TIMING AND FIRING.

Aug 11, 2011 | 1995 Chevrolet Camaro

1 Answer

91 camaro won't start 3.1 6V. Changed fuel pump, injectors, & ICM, has spark & will start with starting fluid, then die. But will not start and run. It cranks over, but won't catch. Security light...


Is the fuel filter ok? - fuel pump ok? Sometimes a new fuel pump is faulty. You may need to check your fuel pressure. Could even be a plugged fuel return line. PS be careful using starter fluid - it can be hard on an engine. Le t m e know. Thanks

Dec 22, 2010 | 1991 Chevrolet Camaro

1 Answer

I bought this car knowing I would need to get a new radiator. Everything else was good. I got a U-Pull used radiator and i blew about a month later. So I got brand new lifetime warranty from...


Man it sounds like you a pretty experianced wrench!
I have solved some of thes electrical gremlins with putting good ground cables fron the engine to the chassis. The electronics get happier with a solid ground

Good luck

Oct 13, 2010 | 1989 Chevrolet Camaro

1 Answer

1997 CAMARO TURNS OVER BUTVWONT START, REPLACED CRANK SENSOR, IGNITION MODULE, & COIL PACK. USED CODE SCANNER AND READ NO CODES. POWER TO ALL THE ABOVE ITEMS BUT NO SPARK BETWEEN SPARK PLUG WIRE AND...


the icm, coil, and crank sensor all read off the opti. Chances are you have a bad optispark (distributor). I just went thru the same issue and found it to be the problem.

check your fuel pressure as well, you may have anissue with your fuel pump and or relay

Sep 21, 2010 | 1997 Chevrolet Camaro

3 Answers

I have a 94 camaro z 28 that just lost power and completely shut of going down the high way at 60 mph still wont start back up. It has gas


Have you checked for spark? If you have fuel then your next step is to check for spark. Are there any check engine lights on at all? This year camaro came equipped with an optical distributor ignition system and they are very moisture sensitive and prone to failure if you srpay water into the engine compartment to clean it, or drive it thru a carwash. They also mounted the water pump right above the distributor and the water pump has a tendency to fail and leak water into the optical distributor destroying it.

If you do not have spark coming from the ignition coil then I would check to see if you have a signal coming into the coil, use a 12 volt test light for this. To check for spark coming out of the coil. go to the auto parts store and pick up a spark plug ignition tester it will fit between the plug and wire and let you know if you have spark, do both sides of the engine as this will cover both sides of the coil. I doubt both sides of the coil failed, but it is possible. If you have power going to the ignition coil, but no spark you need a new coil. If you have no power going to the ignition coil then check your fuses. It may also be the ignition control module, but this should throw a code.

This vehicle is also equipped with what called VATS, if you look at your ignition key you will see a little microchip installed on the side of it. If that VATS system went it will kill you car as well. If you jumpstarted a car lately or your interior got wet this could be the problem too. I believe the control box for the VATS system is under the drivers seat.

Chevy really stuff a lot of unesssary stuff in this model car and made it really hard to work on.

Apr 10, 2010 | 1994 Chevrolet Camaro

1 Answer

No spark in my 1992 Chevy Camaro RS 3.1L engine rotates but doesn't engage.


Hi Candie, if you have air, fuel and spark it should run. Getting to the fuel side-"is fuel getting into the engine?" Your ignition may work, your starter may work, fuel pump may work, but if you have an ignition key with a resistor inside it (little silver piece of metal in the plastic of the ignition key) the key, it could be bad and will shut down the fuel injector. It's part of the security system if some idiot tries to break the steering column to steal your car. It won't run.
I have a 92 Z28 with a 350 and I had to get a new ignition with resistor and correct resistor ohm key. About $400.00 bucks but if you search around Z28 forums there are ways to bypass this for less $$ if you want to.

Aug 05, 2008 | 1992 Chevrolet Camaro

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