describe your problem...i have a miss fire on spark plug #4, would a tune up help?
Jan 29, 2011 at 5:07 AM
major tune up for 97 tahoe LS
KARIZMA27
- MEMBER
- 1 POST
well i would do plugs ,wires, cap and rotor and coil, and also a new fuel filter. i had # 5 always throwing codes i did all that and she runs like a dream. now i did a new distributor cause i broke the tabs off the old one. but your lookin at around 200-250 dep. on the brand but stay with ac delco plugs. i have 174000 on my 98 and she runs beautiful. i doubt its an injector. but try some seafoam or chevron fuel cleaner. good luck. any other ? just ask
Mar 7, 2011 at 9:42 PM
Start by checking spark plug,compression and fuel injector on #4 Cylinder.
Mar 13, 2011 at 11:35 PM
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