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NUMBER 4 MISFIRE
1999 Chevrolet Tahoe
June, 29, 2011 AT 8:34 PM
1999 Chevy Tahoe V8 4x4 with tow package 4door. Misfire on number 4 piston. Changed plugs, plug wires, dist cap and roter button. Runs rough at idle but good at highway speeds.
FOUND 5709 RELATED QUESTIONS
Runs Then Shuts Off As Soon As It Gets T
June, 29, 2011 AT 9:03 PM
Check the compression and injector for no.4 cylinder
June, 29, 2011 AT 9:12 PM
What should the compression be.
June, 29, 2011 AT 9:14 PM
Should be around 140-160 psi
June, 29, 2011 AT 9:15 PM
Ok I have 148 psi
July, 21, 2011 AT 7:48 PM
Did you find out anything about how the injector was operating? It sounds like it isn't properly atomizing the fuel.
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Following a spark plug and wire change and subsequent ignition fail sensor (part 27370 38000) change the car is not running well it t
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