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post Jun 5, 2004 - 8:29 PM
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DamDirtyApes

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when i start up my car it will rev up to 500 rpm then die. it keeps on doing this unless i give it some gas, well that used to work up until today, i have to keep it at 3k rpm for a few secs for it to idle at all (then it will idle at about 250 and the whole car will shake badly) , also iv been hearing a high pitch sound that has been gettin louder for a few weeks.... WHAT IS WRONG! the idle problem has been hapening since winter but just got worse this month. its almost unstartable now. PLEASE HELP ME!
 
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post Jun 7, 2004 - 4:51 PM
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mikeh117



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I'm not a mechanic and don't even own a technical manual for my Celica so these answers might be completely off. Don't blame me if you try a repair based on one of my suggestions and it doesn't fix it wink.gif. However I can offer you some idea of what to look for to help diagnose the fault.

As it sounds like your engine is hunting for idle there are three specific areas that need to be investigated:

It might indicate that there is a problem with the idle control system who's job is to provide extra air to the engine when started from cold to regulate the idle speed. I don't know the specifics of the system used in Celica's but there are normally several components involved. You'll need to check with a mechanic as to which system is in the Celica (unless anyone knows?) but it will most likely be either a servo driven or an air controlled system, both of which have moving parts that can become clogged.

It is also possible that there is a problem with the fuel\air mix. This may be due to a clogged fuel filter or the O2 sensor may have a problem. The O2 sensor operates at very high temperatures and I have heard that failure is quite common on high mileage Celicas. Without a properly funtioning sensor the fuel\air mix is wrong and can cause the engine to either run very rich or lean. This is not something you can readily diagnose, but a good indicator would be to smell the exaust gasses and see if there is a strong petrol smell.

Finally this can be caused by a problem with the Catalytic Convertor. If its not connected or is damaged then this can also cause the fault, as the gasses can't escape. An emissions test will confirm if it has a problem.

All in all I would suggest taking it to a Toyota dealer and getting it looked at.

Posts in this topic
- DamDirtyApes   :( major problem   Jun 5, 2004 - 8:29 PM
- - Andason   is your cel on?   Jun 5, 2004 - 8:35 PM
- - DamDirtyApes   is my car on right now?   Jun 5, 2004 - 8:37 PM
- - shid   put higher octane gas in it, and don't rev til...   Jun 5, 2004 - 9:33 PM
- - DamDirtyApes   what do u mean dont rev til 3k rev at 6   Jun 5, 2004 - 9:45 PM
- - DamDirtyApes   anyone else!!!!!!!...   Jun 5, 2004 - 10:12 PM
- - Snarfer   Where is the high pitch sound coming from? It coul...   Jun 5, 2004 - 10:16 PM
- - lagos   my car has been doing the same thing for a while.....   Jun 5, 2004 - 10:29 PM
- - hioctane   your timing could be off   Jun 5, 2004 - 10:51 PM
- - YellowTwo   I had that exact same problem for about 3 months. ...   Jun 5, 2004 - 11:27 PM
- - 3FingersCelica   If you are going to get a fuel injector cleaner bu...   Jun 5, 2004 - 11:36 PM
- - spunky393   what shid meant is if you do get the car started, ...   Jun 5, 2004 - 11:36 PM
- - hioctane   check your timing on your timing belt because it ...   Jun 5, 2004 - 11:37 PM
- - toyotaspeed_90   is it tough to start? my mr2 was just doing the sa...   Jun 6, 2004 - 12:09 AM
- - shid   Thanks spunky, thats exactly what I meant. Before...   Jun 6, 2004 - 12:39 AM
- - 95STHATCH   I bet it's a bad plug wire cause it's soun...   Jun 6, 2004 - 1:59 AM
- - creis   check timing for sure, but it dose sould like the ...   Jun 6, 2004 - 3:26 AM
- - DamDirtyApes   thanks guys, ne ways i tried the stp injecter cl...   Jun 6, 2004 - 7:31 AM
- - DamDirtyApes   i just put bosch platinum +4s in, it seems to be b...   Jun 6, 2004 - 4:48 PM
- - Jeremy1210   I had the same problem back in the day. It turned ...   Jun 6, 2004 - 5:05 PM
- - DamDirtyApes   just tried starting it again, spark plugs didnt wo...   Jun 6, 2004 - 6:15 PM
- - aaronc222   I had idle problems about a year ago. After taking...   Jun 7, 2004 - 11:48 AM
- - mikeh117   I'm not a mechanic and don't even own a te...   Jun 7, 2004 - 4:51 PM
- - Negative   QUOTE (DamDirtyApes @ Jun 6, 2004 - 9:48 PM) i jus...   Jun 8, 2004 - 1:35 PM
- - DamDirtyApes   where can i get nology wires, and how mcuh will th...   Jun 8, 2004 - 7:40 PM
- - Negative   You can get nology wires on nopi.com or quite a fe...   Jun 9, 2004 - 10:09 AM
- - slipgun   Is there seriously any reason to get anything othe...   Jun 9, 2004 - 12:00 PM
- - Doge   Don't get the nology wires Dirty. The extra ...   Jun 9, 2004 - 3:09 PM
- - Negative   Agreed.   Jun 9, 2004 - 3:11 PM
- - DamDirtyApes   thanks doge this is what its looking like right n...   Jun 9, 2004 - 6:35 PM
- - DamDirtyApes   ok i just talked to a mechanic, he said most likel...   Jun 10, 2004 - 7:46 PM
- - spunky393   we never said do it right when your engine is cold...   Jun 10, 2004 - 8:00 PM
- - DamDirtyApes   for some reasen its not doing it or not nearly clo...   Jun 11, 2004 - 6:15 PM


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