Set timing according to chiltons book,10 degrees BTDC, computer advances up to 46 degrees according to OTC scan tool, altenator tested good at parts store. New plugs, wires, cap and rotor. Port fuel injection. Intermittent backfire and it blows the muffler off. 4.9L, runs good except for the backfire.
blows muffler off! on 1992 Cadillac DeVille
Verified for the Cadillac DeVille19 reports
This week's top 10
Recent Cadillac DeVille Questions
- p0171,n p0174 codes present when scanned. help?
- engine bay was washed now car idles to rough to be driven
- A/C is going off and on blow hot in back check and add coolant dnf
- How to replace front air bag sensor. Can not find where to unbolt
- Should I change the radiator fluid? It's a 2005 DeV with 40k miles?