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1999 cavalier 2.2 liter thats driving me nuts...

99 cavalier 2.2liter over heated & blew head..took head that was true off of a scrap car with rear end damage...replaced.fuel pump was getting power but not priming...replaced that..got lots of pressure & fuel pumping to injectors.got spark all cylinders..buddy screwed up firing sequence but we caught it...no damage done.the head seems fine.new bolts all torqued correctly.then if im correct my buddy reversed harness to #1 & #2 fuel injector...we shot starting fluid down throttle body it gave a nasty backfire...I think this maybe caused it to jump timing?I also have a mystery vaccuum line i cant seem to figure out where it belongs....I dunno.Is the injector harness mix up even part of this mess?could it cause car to not turn over or cause the timing to jump?The firing order is correct...none of the lifters or rods are damaged...gimme a clue.

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 87 Answers

SOURCE: Grand Am will not start

ignition module is dead easy to replace right on top under the aluminum coil cover

Posted on Jun 08, 2008

  • 28 Answers

SOURCE: Fuel Problem

fuel pressure regulator? This diverts excess pressure from the rail back to the tank. When they wear out they usually stay stuck open thus diverting all pressure back to the tank. Pressure tests do not reveal this as pressure is checked before the rail not in it. I do believe you have a bad fuel regulator. They are 75US ouch.

Posted on Dec 10, 2008

johnny5846
  • 379 Answers

SOURCE: I think fire order is wrong

no 1-3-5 should be the rear of engine , see pic .
71d6876.jpg
think you got it backwards , thats all .

J5

Posted on Jan 22, 2009

Dr-Custom
  • 216 Answers

SOURCE: fuel but no start

Sounds like the problem might be in the relay but before replacing that relay, check all fuses and especially any ecm fuses. Do you have a check engine light come on when you turn the key to the on position?I believe that on this vehicle there is a relay that is labeled "eec relay" this is the relay for the power to the ecm. eec stands for "electronic engine control" If this circuit is dead the fuel pump relay will not come on either, but worse than that the ecm stays dead and the injectors are not delivering the fuel to the engine even when you jump the fuel pump manually.
Check these items and make sure that the computer is getting power and I think you problem will be found.

There is a black wire with a connector like thing in it near the battery cable on the negative post make sure that this connection is good ,it is the ecm ground and the same symptoms will happen if it is not connected well.

Good luck. I hope this helps.

Posted on Apr 20, 2009

csmock132
  • 4669 Answers

SOURCE: dodge cummins won't start, fuel reaching injector pump but no fuel coming out of injector pump.

You said you have fuel flowing from the inlet line of the injection pump? But not at the injector lines?

Posted on May 05, 2009

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