Question about 1992 Pontiac Firebird
I just did a tuneup on my firebird and now it wont start, it started before i changed everything though. i already checked the fireing order to make sure my wires were good, when i turn the key it cranks but dosn't turn over, it also has a slight backfire now. i replaced the plugs wires cap and cilinder, not sure why it was better with the old ****.
If it is backfiring the firing order is not correct. turn the crank until the timing mark lines up to zero on the timing cover. Remove the distributor cap, and see where the rotor button is pointed. It should be pointed at number 1. (at this point you have a 50/50 chance) The cam turns half the speed of the crank shaft, this means that even through cylinder number one is at top dead center, it might be on the exhaust stroke instead of compression stroke. If this is the case, you will need to turn the crank shaft one full revolution, and try again.
Reinstall the distributor cap with plug wire number one being placed where the rotor button is pointed. Install the rest of the plug wires in order.
Posted on Mar 24, 2009
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Posted on Jan 02, 2017
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