Announcement

Collapse
No announcement yet.

Rough Idle 97 LX 1.5

Collapse
X
 
  • Filter
  • Time
  • Show
Clear All
new posts

    Rough Idle 97 LX 1.5

    Okay I am ready to pull my hair out the little I have left.
    I have a rough/lumpy idle on my 97 LX 1.5 manual trans. The car sounds like an old tractor at idle.I have been chasing this for 3 or 4 months. The car runs great down the road. Gas mileage has dropped to around 32 used to be 36. I have changed a bunch of parts off of junkyard cars with no change at all. I have tested parts per the repair manual and can find nothing bad. I have owned it since 47k miles and it is now at 176K.
    Here is a list of what I have changed or replaced.
    Checked Fuel Pressure
    Checked Fuel Pressure Regulator
    Changed Fuel Injectors and replaced seals
    Replaced fuel filter
    Changed throttle body and IAC valve
    Changed EGR valve
    Cleaned intake and EGR system
    Changed distributor
    Checked spark plug wires
    Replaced spark plugs
    Replaced PCV valve
    Checked exhaust system to include catalytic converter
    Last edited by dirtbikedad; 10-22-2014, 09:49 AM.

    #2
    Try running one tank of 89 octane. If your tractor sound (which is most likely ping) goes away then we can move from there. I suspect that your car is not timed just so. Check your timing belt.

    Comment


      #3
      I found the problem finally. Low compression in one cylinder. Car is gone now.

      Comment

      Working...
      X