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97 Lumina

Tiny
STEVE11553
  • MEMBER
  • 1997 CHEVROLET LUMINA
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 160,000 MILES
I have a 1997 Chev Lumina(car) with a 3.1 engine. For quite some time now there has been a loud ticking noise coming from the engine. I thought it was the lifters so I changed them along with the spark plugs and the upstream O2 sensor. When I got done with the repair that same ticking noise is still there and now it is missing on the #5 cylinder. I rechecked the plug and wire going to that cylinder and all appears ok(it was not missing when I started the repair. Any idea what could be making that ticking noise and is there a way to check the fuel injector? Any ideas.
Thank you
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Tuesday, July 26th, 2011 AT 11:17 PM

1 Reply

Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
You could switch the injector to another cylinder and see if that 1 misses? Did you find anything unusual about the old lifter like cam side wear? Did you check cam for wear?
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Thursday, October 20th, 2011 AT 4:02 AM

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