How can I get my Toyota 4Runner to idle?
The only way to get it to idle normally was by physically closing the TB by hand or turning the engine off and restarting it. Sometimes if I blipped the throttle it would drop to 1000 rpm or so but climb right back up again after driving it again. I tried cleaning and testing my MAF, IAC, TPS and Throttle Body.
Why did my 94 runner engine shut off?
In the end it was a fuel pump that was slowly going bad. The fuel pump would fire on iginition then shut off. Can someone put an ear next to the pump while the start the engine to see if it shuts off prior to the engine diening. Just a thought.
What’s the fuel pressure on a 94 runner?
I pulled the cold start fuel line off and jumped the +B to Fp. It flowed about a pint of fuel in 10 seconds from about a 3/32 port in the banjo fitting. No way to tell what the pressure was but with that much flow, I assumed it was enough to keep it running at idle. Fuel pressure spec is 38-44 psi.
How long does a 94 runner run before it dies?
It starts fine, runs for about 3 seconds, then dies. You can let it idle or wrap the piss out of it, either way it lasts about 3 seconds before it dies. He took it to a shop that replaced the fuel regulator for $300.00 which made no change. Their next idea was to replace the fuel pump for $400.00 to see if that would help.
Can a bad throttle position sensor cause idle surging?
Idle surging can be caused due to other issues in the car, but if it happens in conjunction with other throttle position sensor symptoms, the culprit is often the TPS. At idle, the ECM will not get the correct information and the throttle will variate randomly causing idle surges. 3) Check Engine Light
What causes idle surges on a car ECM?
Idle surging can be caused due to other issues in the car, but if it happens in conjunction with other throttle position sensor symptoms, the culprit is often the TPS. At idle, the ECM will not get the correct information and the throttle will variate randomly causing idle surges.
What causes the Check Engine light to turn off at idle?
At idle, the ECM will not get the correct information and the throttle will variate randomly causing idle surges. The check engine light will randomly turn on and off even if the car is running smoothly without any jerks and stalling.