1989 Toyota Corolla car has a real bad miss

Tiny
BGMATIS
  • MEMBER
  • 1989 TOYOTA COROLLA
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 121,850 MILES
What can cause the car to miss or run badly after I have changed the spark plugs and wires. I have put in new plugs and wires at least 3 times this month. The car is still running ruff. The timing has also been checked. What else can I try.
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Saturday, June 28th, 2008 AT 1:15 PM

2 Replies

Tiny
KHLOW2008
  • EXPERT
Hi bgmatis,

What is the misfiring like? Hard acceleration? Idling etc. At what rpm most noticeable.

It could be the injectors, distributor + coil and also bad compression.
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Sunday, June 29th, 2008 AT 5:28 AM
Tiny
BMRFIXIT
  • EXPERT
Check the tune up do a compression test
firing order 1342
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Sunday, June 29th, 2008 AT 5:35 AM

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