97 cavalier runs sometimes
we can get it to run sometimes. it won't run if you give it more than 3/4 pedal. once it gets warmed up it starts to run like crap until it dies. we have replaced the tps, o2 , fuel filter, plugs and wires, and we are getting ready to change the fuel pressure regulator. anybody had this problem before? it seems to be running lean.
possible egr valve...map sensor maybe...i would scan the engine to see what codes are current,,pending,,or in history write them down clear all codes an the hard code will wlways come back cause you never fixed the problem read it fix what it says an go from there man..good luck
try the fuel pump or cleaning the throttle body
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