Question about 1996 Pontiac Firebird
Thanks for using FixYa and welcome. You need air, fuel, and fire to start your car. You can start by checking the fuel system. Check to see if you can hear your fuel pump kick on when you first turn the key. You should hear it for a second or two. Check all fuel fuses, relays, and resets, if equipped. Make sure the pump is working. Make sure the fuel filter is not clogged. Make sure your gas lines are not damaged and make sure you can see fuel at the fuel injectors. That is your whole fuel system. Fuel goes to the pump to the filter, through the filter to the gas lines, from the lines to the injectors and engine. If you are getting fuel to the engine, it rules out the fuel system as a issue. Next, you need to start checking your ignition system. Check spark plugs, coils, wires, distributor, dist.cap, coil packs, rotor. It may be a cam sensor or crank sensor. It could trace all the way back to the computer. It could be a timing belt/chain. Make sure it is not worn, slipping, or broke. I know it is a lot to check but in all honesty, any of these can cause the car to not start. If you check engine light is on, you need to try to get your computer scanned. You can get a code off your computer and it may lead you directly to your problem. This is the best way. By doing this, you are not guessing and checking everything. Autozone sells them for around 50 dollars. If you can't, check everything you can. If you have any questions, feel free to ask. I will help you as much as I can. Like I said, it is a lot to check. The thing is, there are a lot of parts that cause the same problems, being the car not starting. Thanks for using FixYa and good luck.
Posted on Apr 06, 2011
Verify spark and fuel. Spark is easy remove a plug and crank the car. If you have spark it eliminates the igniton side of the problem. Fuesl pressure testing requires a tool. You hook it to the fuel line bleeder valve to get a reading. You can by pass it if you want to pour some fuel into the intake. If it starts then its a fuel supply issue.
A couple sensors can keep an engine from starting. Knock sensor, camshaft position sensor. Also if the timing went out is will not start but you can tell by how the engine is cranking if thats the issue. If it spins faster then normal and sounds different then it would normally then odds are the timing belt slipped.
Posted on Apr 06, 2011
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Posted on Jan 02, 2017
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