Question about 1992 Mazda MX-5

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How do you adjust the idol on a 92 mazda miata. It idols ok until I turn the air off them the car dies. Thanks Shelley

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This gentleman has written a pretty good guide for checking and adjusting your ignition timing and idle -
Try adjusting your idle - I wouldn't be surprised if this is not your problem (or only problem). If the idle is still drooping (or cutting out), you might like to think about checking, cleaning or replacing your air filter, cleaning your throttle body and possibly checking the correct function of your two clutch switches which can all cause similar problems.
The clutch switch problem is becoming somewhat more common now - have you tried idling the car without A/C? Then experiment with doing the same with the clutch depressed and then with the clutch depressed and a gear selected...if one of these combinations stops your idle problem, you'll probably find one of the clutch switches is dead. The purpose of the switches and the reason for the problem is a little complicated - if this turns out to be the case, reply and I'll try to explain it properly.

Posted on Sep 01, 2009


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Posted on Jan 02, 2017


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If you replaced the timing belt and the car has been doing this, it is possible you are 1 tooth out with the timing belt.

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My car acts like it's going to die when it idols or I'm stopped

that is your idle air control valve and or your throttle position sensor. sending picture of both.12_10_2012_3_22_15_pm.jpg

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Try cleaning the carbs with a foam cleaner that you spray into the air intake while it is running.
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Have a 2002 mazda protege lx check engine lights came on code says air leak somwere. When car idols sometimes seems like it wants to cut off but doesn't then idols normal

I had this problem. Check your hose that goes from your filter to your intake manifold. Make sure your connections are tight and there are no cracks. Mine had a crack and was easy to replace. Hope this helps

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1 Answer

Have a 92 Mazda Protege that won't start at times and other times it will. I changed the coil and still acts up. It will turn over but won't fire, can anyone tell me what is wrong with this car?

my old 1989 mazda had this problem as well but i traded it in before figure it out. my new but old 1999 started doing the same. it was the ignition switch. if u do buy it, buy it from an autoparts store with a life time warranty. the dealer offers ****, 10k miles or 6 mths? it has only 2 or screws,bolt? to take out and should take no more then 30 minutes to replace. pop off the steering column covers and its located where you stick the key in. its a little white and black cylinder looking plastic thing. very tiny, fits in your hand. my car would do the same work fine for months, then **** out and die and then work perfect 2 hours later. the dealer charges 200-250 for the part the auto store 100?. after installing it may act weird.. your car idoling will be off for a bit. turn it off and on for 10-20 minutes, drive it around the block if you can. turn it off again etc. until it starts to idol mormal. i think the master computer thing built in it has to reset itself since you disconnected the battery earlier and have just installed a part tht requires electrical contact. my car does that when i replaced it twice already but then resumes to normal. try this option and see if anything happens, if not return the part and get your money back.

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2 Answers

Oil light turns on at idol, and almost dies at idol has oil

Replace your fuel filter and airfilter. If this doesn't work - you may need a new coil pack or cap and rotor if it has a distributor; if this is the case, change the spark plugs and plug wires.

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1 Answer

I have a 4runner 1994 v6 do I turn down the idel

You need to adjust the timing on the belts. This can be adjusted with a wrench. Adjustments should be made with slight measurements, a hair can change it. After adjustment, turn the car off and restart. Drive for a block and see where the RPM goes to when at idol. Keep adjusting until you get around 700-1,000 RPM.
Let me know if this helps.

Jan 24, 2009 | 1994 Toyota 4Runner

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