funky idle - stalls
10-15-2004, 04:21 PM
#1
Retired MF Moderator
Thread Starter
Join Date: Apr 2004
Location: I live in Canada, eh
Posts: 7,156
funky idle - stalls
My '03 GT ran great until I was working on it the other night. Then the idle got really rough and started to drop to about 500 RPM and the car would stall when idling.....then the service engine light came on.
Here is what I was doing to it. I was going to put the x pipe on and gave up because we couldn't get the driver's side manifold bolts out.
We had unplugged all four of the O2 sensors (at the connectors) but left them in the pipe. When we gave up, we plugged them back in the right spots. It ran good for a while, then the problems started with the idle....just a little bit at first, with no engine light. Then it progressively got worse and the light came on. As long as you are in the gas it's fine. It just stalls when I idle.
FYI It's a 5 speed, so it's not in gear at idle.
any ideas would be appreciated.
Thanks
Mike
Here is what I was doing to it. I was going to put the x pipe on and gave up because we couldn't get the driver's side manifold bolts out.
We had unplugged all four of the O2 sensors (at the connectors) but left them in the pipe. When we gave up, we plugged them back in the right spots. It ran good for a while, then the problems started with the idle....just a little bit at first, with no engine light. Then it progressively got worse and the light came on. As long as you are in the gas it's fine. It just stalls when I idle.
FYI It's a 5 speed, so it's not in gear at idle.
any ideas would be appreciated.
Thanks
Mike
10-16-2004, 04:57 PM
#3
I ♥ Acer
Join Date: Apr 2004
Location:
Posts: 9,172
RE: funky idle - stalls
You have to do mre than just break a wire for it to idle wrong. When I had mine installed a wire broke and the light come on and it drove normal. You may have a bad sensor all together. Get the code and it will tell you what side is bad.
10-17-2004, 02:35 PM
#4
3rd Gear Member
Join Date: Apr 2004
Location:
Posts: 715
RE: funky idle - stalls
im kinda having the same problem, im also thinkn its probably a sensor, excpet mine somtimes when u start it, it revs up really around alil over 2k and then slowly comes down but if u dont give it enuff time and start to drive wen u put it in gear and and shift into the next the idle drops waaaaaaaaaay down once it dropped so low and then died and took like 10mins to start again, i had to floor it to get it started. i cheked the codes on mine and nothn came up, but idono, u shuld look into getn a cheap lil code reader i got mine for 30
10-17-2004, 03:43 PM
#6
I ♥ Acer
Join Date: Apr 2004
Location:
Posts: 9,172
RE: funky idle - stalls
ORIGINAL: stonemonk9
im kinda having the same problem, im also thinkn its probably a sensor, excpet mine somtimes when u start it, it revs up really around alil over 2k and then slowly comes down but if u dont give it enuff time and start to drive wen u put it in gear and and shift into the next the idle drops waaaaaaaaaay down once it dropped so low and then died and took like 10mins to start again, i had to floor it to get it started. i cheked the codes on mine and nothn came up, but idono, u shuld look into getn a cheap lil code reader i got mine for 30
im kinda having the same problem, im also thinkn its probably a sensor, excpet mine somtimes when u start it, it revs up really around alil over 2k and then slowly comes down but if u dont give it enuff time and start to drive wen u put it in gear and and shift into the next the idle drops waaaaaaaaaay down once it dropped so low and then died and took like 10mins to start again, i had to floor it to get it started. i cheked the codes on mine and nothn came up, but idono, u shuld look into getn a cheap lil code reader i got mine for 30
This sounds kinda like the same problem I had when my mass airflow sensor was wet. Do you have a CE light on?
10-17-2004, 06:10 PM
#7
Retired MF Moderator
Thread Starter
Join Date: Apr 2004
Location: I live in Canada, eh
Posts: 7,156
RE: funky idle - stalls
Get the codes pulled first, that will give you an idea where to look
This sounds kinda like the same problem I had when my mass airflow sensor was wet. Do you have a CE light on?
10-17-2004, 11:51 PM
#8
3rd Gear Member
Join Date: Apr 2004
Location:
Posts: 715
RE: funky idle - stalls
ya, but i always have a ce light on, the code is a 118 which i think is a coolant temp sensor i have unplugged so my fan runs constantly and doesnt over heat, but on the intake i made, a rubber tube somewhat blocks the the air temp sensor idono if that wuld do it, and this culd also be a problem, my mass airflow is actually in the fenderwall, i bet i culd get wet real easy in there??!