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P0420 Catalyst Efficiency below Threshold Bank 1

This is the code I am getting on a 2000 Camaro SS with only 15,000 miles. Seems to drive fine, I have only use premium...
10 comments posted 21yrs
posted by t-tye
10 comments posted 21yrs posted by t-tye

94 Caprice

Hi: Automatic driver side window is down and will not go up. Switch tests positive for power. Is there an emergency rele...
3 comments posted 21yrs
posted by clubdog
3 comments posted 21yrs posted by clubdog

Re: Engine stalling on decelleration...

on the TCC,, on a 89 3.3l engine, is the TCC connector a 4 wire squarish plug in the front of the motor on the transmiss...
1 comments posted 21yrs
posted by jgcox6
1 comments posted 21yrs posted by jgcox6

1991 Pontiac Grand Am Broke Down

Hi everyone, my Grand Am has the 2.5L TBI. For a while I have noticed at certain times, the engine speed seemed to warb...
5 comments posted 21yrs
posted by jwe124
5 comments posted 21yrs posted by jwe124

Is 95 Lumina APV a good used car?

The exterior looks nearly new, interor in very clean condition, car only has 65K miles on it. They are asking $2500 OBO...
3 comments posted 21yrs
posted by someone
3 comments posted 21yrs posted by someone

1991 park ave 3.8 just quit

I have a 1991 park avenue 3.8 which has 226,000 miles on it but runs great and always has. I was going through the driv...
6 comments posted 21yrs
posted by kennethinniles
6 comments posted 21yrs posted by kennethinniles

2001 Pontiac Bonneville

My 2001 Bonneville has a noticeable clunking feel in the steering, particularly at low speeds. I checked ALLDATA.COM an...
4 comments posted 21yrs
posted by StingRay
4 comments posted 21yrs posted by StingRay

GMC jimmy fuel pump?

Recently I have had problems with my 1989 s15 jimmy and the fuel pump. Ive tried a new pump and new relay but the pump...
2 comments posted 21yrs
posted by socrpro24
2 comments posted 21yrs posted by socrpro24

Thm 350 speedometer problem

Speedometer went out on my van about a year ago. After doing quite a bit of trouble shooting I isolated the problem to...
0 comments posted 21yrs
posted by Gfender
0 comments posted 21yrs posted by Gfender

List of Symptoms, no apparent cause

'95 Monte 3.4L DOHC, 250,000kms Symptoms: 1. Lack of power. 2. Engine sputters during initial acceleration in the morni...
17 comments posted 21yrs
posted by stevemackie
17 comments posted 21yrs posted by stevemackie

Engine knock - piston slap?

My 2001 Malibu V6 knocks for about the first 10 minutes when cold. I think it is called Piston Slap. Can anyone please...
5 comments posted 21yrs
posted by NoSpam
5 comments posted 21yrs posted by NoSpam

'86 305 running rich...

I have an '86 Monte Carlo LS with a 305. It runs very rich. There are puffs of smoke from the exhaust and it smells pig...
9 comments posted 21yrs
posted by cdnews
9 comments posted 21yrs posted by cdnews

96 Cavalier Z24 (horn)

Hi all, Horn stopped working over the weekend. Now all I get is a clicking noise on the right by the glove box. I went...
1 comments posted 21yrs
posted by letsgo
1 comments posted 21yrs posted by letsgo

Bad O2 sensor??

The can is an '86 Monte Carlo LS with a 305 and computer controlled Quadrajet (TPS + MCS). The O2 sensor reads at idle...
7 comments posted 21yrs
posted by cdnews
7 comments posted 21yrs posted by cdnews