What should idle speed be on ten and GND?
What should idle speed be on ten and GND?
Connecting TEN and GND is necessary to temporarily disable the ISC (Idle Speed Control) system. When you set the idle speed to approx. 725 rpm using this method, it will jump to 850 the moment you pull the TEN-GND jumper. Idle speed adjustment: bring engine up to normal operating temperature connect TEN and GND
Which is the correct idle speed 850 or 850?
850 is the correct idle speed. The lower idle speed stated in the workshop manual only applies when you connect the TEN and GND terminals in the diagnosis connector – in other words when you adjust the idle speed. Connecting TEN and GND is necessary to temporarily disable the ISC (Idle Speed Control) system.
What’s the correct idle speed for a car?
Correct idle speed is 850 RPM. Date: Tue, 8 Jun 1999 16:51:50 -0400 From: [email protected] Before we go adjusting the idle, something else is wrong. Idle is set from the factory, and unless you have major changes it should NOT, and I repeat, NOT need to be adjusted. Something else is wrong. Possibly bad plugs, possibly bad coil.
Why does my car idle all the time?
If the computerized engine control system is faulty, high idling can be one symptom. A vacuum leak in any of the hoses can be the culprit—inspect them all for leaks. A bad idle-speed control unit can cause the problem; it may need to be replaced.
What is the idle speed of a 95 Chevy S-10?
I ran compression tests and all cylinders except #5 read around 105 – 110. Number 5 reads 95 +- 5. All plugs are new with only about 5 mins on them. When I pulled them to do the compression test they all are lightly coated with black soot. RICH, RICH, RICH.
Why does my car idle at a high idle speed?
One tip is to make sure you are checking the engine idle with the air conditioning and defroster in the OFF setting. With some cars, the onboard computer automatically revs the idle speed slightly when accessories are running, and you won’t get a true idle speed if they are at work.
Can a bad alternator cause a bad idle speed?
A vacuum leak in any of the hoses can be the culprit—inspect them all for leaks. A bad idle-speed control unit can cause the problem; it may need to be replaced. A faulty alternator can fast idle issues; if so, replace it. For the do-it-yourself mechanic, Many high-idle problems can be identified and remedied with some patient troubleshooting.
What should mixture be set to at idle?
Turning screw in (clockwise) makes mixture leaner. Normally correctly adjusted screw will be between 1 1/4 – 1 ½ turns out from bottom if intermediate jet size is correct. 4. After initial idle mixture adjustment is set, reset engine idle to approximately 1000 RPM.
