Question about 1994 Chevrolet Camaro
Car wont start
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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Posted on Jan 02, 2017
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
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. http://www.troublecodes.net/GM/
Posted on Jun 26, 2009
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