Replaced head and head gasket
Replaced timing chain and tensioner.
Replaced crank sensor and cam sensor.
Replaced coilpacks plugs and wires.
I have reset the timing twice and still no start just turns over backfires every once in a while.. What is going on am I setting the timing wrong. I go to top dead center on piston 1 . Rotate the cam gear so the marks line up where they should and it does not start. What is wrong?
2000 cavalier 2.2l ohv
My car has 137000 miles.
My car has an automatic transmission.
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