MISFIRE

1999 Cadillac Escalade

Tiny

ladell63

September, 21, 2009 AT 10:59 PM

Electrical problem
1999 Cadillac Escalade V8 Four Wheel Drive Automatic 119687 miles

119687 MILES, WHY DOES MY VEHICLE READS MISFIRE

FOUND 2123 RELATED QUESTIONS

Mis Fire -

17 ANSWERS
11 IMAGES

1 Answer

Tiny

factoryjack

September, 21, 2009 AT 11:21 PM

Often times there is deposits in the poppet nozzles. This can sometimes be corrected by cleaning the injectors. The trick is finding a chemical that will break down the deposits. The stuff that is added to the tank is usually sub-par. Most often it takes something like a top engine cleaner, diluted with gasoline, and fed with a pressurized can. This is one possibility, usually occurs more cold, and diminishes as it warms, but not always. If it is missing under load, it may be ignition related, plug/wire etc.

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