The car was sputtering I replaced the spark plugs Then took it in to the dealer to have the ECM replaced as sputtering was a common problem due to a recall on the ECM the vehicle is still sputtering. I have used fule treatment and premium fuel nothing has fixed the issue.. It is a manual trasmission and is only sputtering in gears 1 and 2.
You need to start from the basics and do a compression test to see if you have even compression on all cylinders. If it is considerably lower on one or more cylinders it could be burnt valves or head gasket leaking. If the compressions are all close then you can eliminate the valves and head gasket and look for intake gasket moved out or faulty coil or injectors. Start from the basics and work up from there, if you start replacing parts without the diagnosis then you can waste money on parts you don't need.
SOURCE: Car/1990 Toyota Corolla
An oil fouled spark plug indicates an engine with
worn piston rings and/or bad valve seals, allowing excessive oil to
enter the chamber..you need to change the piston rings....
Good luck...
SOURCE: 2000 toyota corolla ve engine will run at idle but
Install a new mass air flow meter i own this car ive had this issue with my own and several others
SOURCE: 2000 corolla with trouble code po420
If the code has cleared on its own then you need to disconnect the battery and re-connect it. This will clear the codes out of the memory. If you don't want to do this you can go to an auto parts strore and have them hook the little computer up to your car and they can clear out the code as well.
SOURCE: 2002 Rav-4 jerking shifting sometimes, what does the solenoid do?
My mom just had her 03 Rav4 begin the same problems. We took it to one of the best mechanics that we know. He told us for a brand new ECM would cost $1200. Now if the car is still under warrenty...which I don't think yours is anymore, it could cost only about $550. It also maybe a good idea to look at Rav4's of the same year that may have been in an accident or something, and see if you can have that ECM salvaged. I would also like to mention that the guy above says that they can't be reprogramed...they can be, its just recommended that you don't because then basically it would breach the conditions of the warrrenty. Also, there was a warning sent to Toyota when this problem arose, but it was never put out as a recall therefore no one knew about it until it began to happen...I hope this helps you. It helped my mom out, I wish you the best of luck.
SOURCE: Hi Team, Good Afternoon. I
Did you buy this from a dealer? if so, you should have taken it back ASAP I dont know why you didnt have the Toyota Dealer fix the car, now your in the middle of a mess, getting 2 shops involved, and the car still has a problem. When you bought the car, whoever you bought it from, knew there was a problem, cleared the code and it took a while for the check engine light to come back on. So now you will just have to pay someont to fix the car. The trans shop told you it needed a converter and solenoid, the problem is still there, so make it their problem. I think you need someone who knows toyota . theres no recall that I know of. Recalls are free, anyhow. . ecm is warranteed 8 years or 80k miles. Have the dealer check it out. Have them Check Bulletin TC008-04 and T-SB-0378-08
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This is a 2008 not a 1998 carolla
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