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83celica
12-27-2006, 11:50 PM
what are some problems have with them? mine is playing up but cant find out whats wrong with it, i know the timings out a little but the revs go up and down when idling about 1500rpm between 500rpm and 2000rpm

ciento44
12-28-2006, 12:05 AM
My bet is TPS sensor.... if it has one. :P

I don't know much about that engine, but erratic idle like that usually points to either TPS sensor, or a vaccuum hose disconnected somewhere.

My buddy accidentally left his main vaccuum hose off last time we worked on his GSR. THAT was funny shit. Idled up and down from like 700-4500rpms. Was hilarious in the shop. :hehe:

alltracman78
12-28-2006, 02:46 AM
It's a 2TGE so yes, it has a TPS.
I believe it uses a AFM, and has no MAP sensor?

If so, check your TPS first.
If you have a AFM [Air Flow Meter] then it's definitly not a vaccum leak. That will lower idle.

Rix86
12-28-2006, 03:22 AM
check your coolant level as well.

83celica
12-29-2006, 06:20 AM
but what is a TPS sensor? its not the air flow sensor i had that looked at? cheers fellas

ciento44
12-29-2006, 08:05 PM
but what is a TPS sensor? its not the air flow sensor i had that looked at? cheers fellas

Throttle Position Sensor. :)

83celica
12-29-2006, 09:50 PM
when it car is warmed up it stops doing it. so im lost with this car lol