Timing chain jumping

1989 OLDSMOBILE CUTLASS
114,000 MILES • 6 CYL • FWD • AUTOMATIC
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DANIELVANHOVEN
  • MEMBER
  • 4 POSTS
I was driving at 40 mph and the car started to run rough and lacked power. I replaced the plugs and it was better. How can I tell if the timing chain jumped a tooth? All 6 cylinders are firing, just rough idle and lack of power
Dec 7, 2010 at 12:16 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Check the fuel pressure if its within specs-start here I'll tell you about the timing later-
Dec 7, 2010 at 12:24 PM
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DANIELVANHOVEN
  • MEMBER
  • 4 POSTS
Ok, I will check it, however, I was under the impression that an electric fuel pump either works or not. In my 88 Astro Van the timing chain jumped a tooth and acted the same way. With it I could tell by advancing the distributer, but this car has coil packs so I do not know how to check it. THANK YOU for the reply.

Dan
Dec 7, 2010 at 3:27 PM
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