Monday 17 October 2011

I need codes ans for a 1994 caddie deville i look in they book but the codes that come up dont match?

p0149,po139,nopcs when i drive a while and then mash the gas the car acts like it wants to cut off or not accel.i have changed the fuel filter o2sensors ,the module in the distrubutor and put fuel injector cleaner in.I need codes ans for a 1994 caddie deville i look in they book but the codes that come up dont match?149 shows fuel timing error, usually related to jumped timing chain or distributor not timed correctly.


I need codes ans for a 1994 caddie deville i look in they book but the codes that come up dont match?
PO139 is for the Bank 1 sensor 2 O2 sensor which has nothing to do with the way a vehicle runs. The mentioned sensor is only for monitoring the cat. converter. It has a slow response time. Just make sure you don't have a plugged converter.

After spending all the money guessing it's now time to have a qualified mechanic diagnose your problem. That's why we're professionals. We usually don't have to guess and when we do it's with a lot of experience.

There is no PO149 listed on my charts.
I need codes ans for a 1994 caddie deville i look in they book but the codes that come up dont match?
so what you are saying is when the car warms up it has slow response and you getting codes for the o2 so its probably the catalytic converter is clogged