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rough idle when cold

Confirmed fixed in 47 forum threads. Open the originals on SupraForums for the full discussion.

MkIII NA starts and runs fime remains ar high idle - does not drop back when warmed up.Thread →
high idle that does not drop when warmed up
43 posts
Over fueling on start-idle bouncesThread →
over fueling on cold start-idle
41 posts
Cooling system overload.Thread →
overheating under sustained highway load
40 posts
Call Out For Help - Rebuild Is DoneThread →
rough idle and running rich when cold
39 posts
Strange water temperature reading.Thread →
rapidly dropping water temperature while driving
37 posts
car overheatingThread →
overheating and coolant loss while driving
37 posts
big problemThread →
overheating at highway speeds
36 posts
All you 600Hp+ running for fuel line size?Thread →
difficulty starting and idling when cold versus hot
34 posts
FINALLY! made it to the track. 15 psi + 50 shot.Thread →
significant performance drop when warm
33 posts
Supra Acting up(When do they don't?)Thread →
low idle speed when warm
32 posts
mkiii problems UPDATEThread →
stalling under load when warm
25 posts
Another frigging idle threadThread →
rough idle when cold
19 posts
vacuum at idleThread →
rough idle when cold
18 posts
strange overheating problemThread →
constant coolant loss and overheating in traffic
18 posts
How to set the idle...Thread →
rough idle when cold
18 posts
warm start problem...Thread →
rough idle on cold start
15 posts
Properly gapping new NGK Iridium Spark PlugsThread →
rough idle when cold
15 posts
87 n/a - having problems starting when coldThread →
low idle speed when cold start
13 posts
over heating HELP!Thread →
temperature rises at idle with no visible leaks
13 posts
Car Drops idle...Thread →
loses idle and stalls at warm temperature
12 posts
I have an issue thats killing me, need help NA GurusThread →
pulsing idle at warm temperature
12 posts
After 2 years it finally runs! But won’t idle :(Thread →
rough idle when cold
11 posts
cooling questionThread →
overheating when driven hard
11 posts
what are signs that thermostat broke?Thread →
overheating after driving
10 posts
Bad WaterpumpThread →
temperature rising while idling in traffic
10 posts
90turbo running roughThread →
rough idle when cold
10 posts
why less power when warmed upThread →
reduced engine power when warm
10 posts
engine miss after its warm please help!!!Thread →
rough idle when warmed up
9 posts
idle problemThread →
rough idle when cold
9 posts
Supra Stalling Out!!Thread →
stalling out at idle when warm
9 posts
Won't idle when starting warm , until...Thread →
low idle speed when warm
8 posts
Bleh car runs like a lawn mower...Thread →
rough idle when cold
7 posts
Major problem with 91 supra n/aThread →
rough idle when cold
7 posts
Cold Start Help Please!Thread →
difficulty starting when cold without full throttle
7 posts
Rough Rich Idle HelpThread →
rough idle when cold
7 posts
1990 non turbo ticking when hotThread →
ticking noise when idling while hot
6 posts
Yippppeeeeeeeeeeeeeeee!!!!Thread →
overheating after extended driving
6 posts
Idling ProblemsThread →
rough idle when cold
5 posts
87 and 89 non turbo supra owners...!!! or any supra tech...Thread →
overheating when driving long distances
5 posts
whats wrong with my car?!?! PLEASE HELP!!!Thread →
poor performance when warmed up
4 posts
need some helpThread →
rough idle when cold
4 posts
flush you cooling systemThread →
overheating while driving with A/C on
4 posts
ThermostatThread →
engine temperature not rising above cold
3 posts
ECU coolant temp sensor ?Thread →
stalling at cold temperatures and warm up
3 posts
Rough Idle when warm?Thread →
rough idle when warm in closed loop
3 posts
Small idling problemThread →
rough idle when cold
3 posts
1988 Supra engine idle after warmThread →
rough idle after warm
1 post