What makes a Toyota truck run rough after warm up?
After warm-up, however, it runs rough and barely idles, sometimes stalling. If I let the truck sit and cool off, it runs well again until it warms up. Plugs (gapped), distributor cap, rotor, exhaust manifold gasket are all new.
Why does my outboard boat keep running rough?
If we had a dollar for every time our boats started sputtering and running rough because we forgot to open the fuel vent on our portable fuel tanks, well, we’d have quite a few bucks rolling around.
Why does my engine die after running 30 mph?
Or does the engine have to be “hot” like after running 30 mph for 1 minute, for it to die. Vapor lock doesn’t happen often on old carb’d low fuel pressure motors. The high pressure and heat in the fuel rails is what causes gas to vaporize, I think. So I don’t think it’s vapor lock.
When does a boat run rough and cut FF?
If our boats vapor lock it’s usually a really really hot day and after the boat’s run hard and then shut down. It’s never happened to me or anyone I know personally. Only happens on newer efi boats with high pressure lines. I would usually guess it’s the carb, but if that was rebuilt correctly idk.
Why does my Ford F-150 run rough when it warms up?
Solenoid valves. Then knocking so changed the timing belt and phasers (Tentioner gasket was shot and guides where broken, needed it) also changed the oil pump with the recommended upgrade. Now truck runs smooth as silk. BUTT, will not idle when it gets up to mid range temperature and has to be there awhile.
What to do when warm engine runs rough?
If there are stubborn deposits you can use a scotch brite pad, wire brush, etc to knock them loose and then wipe it out again with a rag soaked in cleaner. Do not spray anything into the throttle body. Remove the IAC and with it out of the vehicle use brake cleaner to spray directly onto it then wipe it off. Let it dry and reinstall.
Is the warm engine undriveable when cold?
This time it started with an idle around 1500rpm, slowly dropped to 1k, then quickly cycled back up to 1500. It did this for a minute or two, then dropped down to the rough idle, which seems to run between 500-800, kind of hunting around. Is there a key sequence that is used to help it learn? The car is undriveable when warm.
What causes rough idle after engine has heated up?
At this point, if you turn the truck off and back on again, it will idle fine UNTIL you rev the engine at all, at which point the truck will start shaking again, and idling really rough.
After warm-up, however, it runs rough and barely idles, sometimes stalling. If I let the truck sit and cool off, it runs well again until it warms up. Plugs (gapped), distributor cap, rotor, exhaust manifold gasket are all new.
What’s the difference between warm and cold Toyota Prius?
It runs rough only at idle when warm. When warm, driving normally or just blipping the throttle by hand, it runs just fine. When warm, it idles roughly and stalls. When cold it idles fine and runs fine. When I block the EGR at the intake plenum (with a piece of shim stock), it idles fine when warm.
What’s the temperature of a Toyota truck when it’s cold?
^Ya, when I start my truck dead cold it ildes at about 1600-1700 and then drops to about 900 when fully warm. It runs rough only at idle when warm. When warm, driving normally or just blipping the throttle by hand, it runs just fine.
What kind of engine does Toyota 94 5 SPD have?
I just replaced the engine (original = 180k w/ thrown timing chain and worn out, new = 115k w/ unknown history) on my 94 5-spd 4×4. Everything went pretty well until the very end. I set the timing on the cold engine and it ran very smooth.
What was the problem with the Toyota 22RE engine?
There was an internal bulletin for Toyota factory technicians back in the mid 80’s about a similar issue with 22RE engines. The issue was an internal programming problem with the ECU.
What should the idle speed be on a 22RE?
We also recommend going a hair tighter than the factory says too. .007” on the intake and .011” on the exhaust side. If it’s your first time adjusting valves, TAKE YOUR TIME AND TRIPLE CHECK YOUR WORK. It’s not rocket surgery, but if it’s not done correctly, things can get ugly quick. Rough idle? Engine shakes at idle? Low idle?
Why does my truck won’t start when hot?
The idea is to avoid stranding you in the middle of nowhere because your air flow sensor plug came loose. So, what’s happening is you are throwing the truck into limp home mode by pulling the airflow sensor out of the circuit. Naturally, it starts. That’s what it’s supposed to do.
When to know if your Toyota engine is overheating?
The temperature of your Toyota’s engine should be nice and consistent when you’re driving, ideally, half-way between “H” and “C”. While the engine can run a little hotter or cooler depending on the driving conditions, it should never approach the “H” …that’s a sign of a problem that demands serious (and immediate) attention.
What happens to my truck engine when it gets hot?
When the engine is cold it idles fine and runs fine,about after a minute it starts to have a surging idle. At about 2000 rpm the engine feels heavy but once its over 3000 ,it feels as if something was clogged when truck gets hot it idles rough and dies when i stop going along down the road runs fine?