» » »

Chevrolet Q&A

Ask Your Question

1994 Chevrolet Cavalier Question: it back fires threw the intake, what causes that

 

Question

Visitor, 2.2L 4 Cylinder, Lecanto, FL, May 08, 2011, 17:03

replaces the coil pack wires plugs and it backfires when started and switching gears , wont stay started acts like it wants to stall out

2 Answers
Flag This
  • Medium-star Best Answer
    torque wrench from Stewart's Auto Repair LLC, May 08, 2011, 19:42
     Master

    Did this happen after your changed the wires and coil? If so you got a plug wire or wires in the wrong order. You need to go back and re check the firing order, and be sure they are on tight. If it was like that before you repaired, then sounds like timing is off or intake valve problem.

    Reply
    Flag This
  • Answer #2

    19887wix July 03, 2011, 12:24
     Rookie

    could also be your crankshaft position sensor loose and cracked

    Reply
    Flag This