Idling speed is too low.

Answered by KHLow2008 (expert)
39,834 answers provided

can you help me to get the idle speed a little higher? and how high? thank;s please let me know.

Response from azejnati
3 questions asked

Which engine do you have?
Try cleaning the throttle body and IAC first.

Answered by KHLow2008 (expert)
39,834 answers provided

Hi ..it is the 626 2.0 liter... I did clean the throttle body.. it was actually clean.. now I dont know how to raise the idle speed…..[;ease let me know thank you.

Response from azejnati
3 questions asked

Refer to diagram.

Answered by KHLow2008 (expert)
39,834 answers provided

Hi .. and thank you for your advice….the idle is the right timing 650rpm….it still shakes when Im stopped …and I cleaned the IAC valve..could it be the timing belt? the valves? because when I drive it is perfect….please let me know….

Response from azejnati
3 questions asked

650 might be too low. Try increasng to 750 and did you use a jumper between the TEN terminal at DLC-1 and ground?

Check the engine mounts, they could be bad.

Answered by KHLow2008 (expert)
39,834 answers provided

hello....and thank you... the screw for the idle is tightent in max,,, doesn't go more. so i really cant change the idle at all. and what is this jumper you are saying with terminals... i have never heard of it at DLC-1 please let me know...and can you tell if the engine mount are bad just by looking at them?

Response from azejnati
3 questions asked

Tightening would decrease the idling speed. You need to turn it outwards.

Refer to link below for information on the DLC-1

http://www.2carpros.com/articles/diagnostic-trouble-codes-for-1995-and-earlier-mazda-cars-obd1

Answered by KHLow2008 (expert)
39,834 answers provided