Question about 2003 Toyota MR2 Spyder
I have a mr2 ive been to 5 places and 2 of them has been dealers i keep getting the run around they are telling me that my motor is misfiring and that the compression is not there its reading i think 75 or 85 and the other 3 are at 185 and up so everyone keeps telling me to replace the motor now i just took it to a place and there saying a exhaust valve never heard of it and they say its common so please help
It could also be broken piston rings...but if your not burning or using oil, highly likely. The way to check wether it is piston rings or an exhaust valve is to put some oil(about 2 tablespons) into the effected cyclinder space by removing sparkplug and adding. **you must remove all sparkplug leads at this time to prevent it from "firing". If you then attatch a compression guage to the cyclinder, turn the engine over with the starter motor,noting the reading. If it is "broken rings" the compression will improve dramatically with engine turnover. If it stays the same the culprit is a burnt exhaust valve(s). This should ONLY be done by a competent person. Hope this helps
Posted on Jan 16, 2013
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Posted on Jan 02, 2017
SOURCE: engine light 03 matrix
Go to an AutoZone, or a place like that. They scan the car for free, andf they give you the codes. After you get the codes, please get back to me for more help.
A FixYa rating would be greatly appreciated.
Posted on Jan 23, 2009
bank 1 will be whichever side cylinder 1 of your engine is and bank 2 will be the opposite side. It's named bank 1 and bank 2 so that no matter how the engine is laid out, bank 1 is always on the same side as cylinder 1. I cannot say whether the right hand or the left hand one will be bank 1 as I do not know where your cylinder 1 is. The garage should know
Posted on Sep 08, 2009
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