Engine Performance problem
2002 Oldsmobile Alero 6 cyl Two Wheel Drive Automatic 59000 miles
Hi guys, first time lurker here.
My car recently started having issue, where at lower speed the car will lose power (the engine still revs), after a while the car would gain more power again (35mph +). Described the symptom to my co-worker (he's ASE certified, but he's currently a maintenance supervisor at my place and he's always busy) and he scanned with his meter (don't know what model) and it didn't give any code. He suggested me to take the car to a transmission shop (it did seemed like a shifting issue to me) and have it checked.
At Aamco the guys checked it out and said it's a not a problem with the transmission but with the Catalytic Converter, the tech took it off and the car ran fine. They said the cat is plugged and it stinks when he took it off. As my cat is still under warranty (8 years, 80k Mi). They didn't charge me and I took it to the dealer.
Dealer called back saying the problem isn't with the Cat, but they did get a random misfire code and a code for the EGR valve. They wanted to do a fuel induction service, new spark plugs, wire, and replace the EGR valve, $899 + tax and all the fees of course.
I have my co-worker called them and explain to what the guys at Aamco find but the dealer insisted that they problem isn't with the Cat and that they have better machinary for the diagnosis of the problem.
I've had service twice before at this dealer due to bad gas (or so they say) where they did the fuel induction service, spark plugs, the whole deal, and drained the gas tank and cleaned it. They also mentioned each time when I was paying that they also replaced the fuel pump under warranty, even though they're not supposed to do. The last time I was there was 1.5 years ago and my spark plugs and wire looked brand new to my co-worker.
I don't know who to believe here, something tells me that the dealer is kinda fishy with the fuel pump replacement (may be that's the real culpit and they're charging me all the extra work for nothing?).
I can always take it to another shop but it'd be another $100 just to check it. What do you guys think I should do? My co-worker did say may be he can bang on the cat for me and put it back where it won't be plugged anymore, but I think also render the cat useless. Or risk taking it to another dealer for the chance they will think it's the Cat?
have the same problem?
Friday, November 13th, 2009 AT 6:46 PM