Question about 1994 Chevrolet Camaro

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94 camaro wont firefrom the coil has new icm , coil , fuel pump

Car wont start

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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.

Posted on Aug 24, 2014


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SOURCE: 98 chevy camaro wont start

check fuel pressure regulator

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Posted on Jan 03, 2009

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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

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SOURCE: 98 chevy camaro wont start how do you reset fuel pump regulator ran out of gas


Posted on May 08, 2009

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Have you tried to pull any DTC codes. Here is a link for you so you can pull some codes, but you may have a bad Ignition Control Module (ICM) it's around $40.00 at Auto Zone and they can give you the step by step instruction to replacing it with common tools. The ICM is common to go bad after a few years due to time and corrosion. It's location is under the rotor in the distributor, as it heats up if fails or any changes in the engine speed. Check the wires to make sure there are no damages. Keep me posted be glad the help.

Posted on Jun 26, 2009

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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

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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.

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