Question about 2003 Toyota Matrix
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Posted on Jan 02, 2017
This is a known condition. And, is under warranty.
Take your vehicle to a Toyota dealership. Ask them to replace your ECU per TSB (Technical Service Bulletin) TC015-07. The new ECU has redesigned logic that rectifys your condition.
Posted on Sep 22, 2008
Bring it to Auto zone parts store to check if any trouble codes are present they will hook up a scanner for free, the code if present will point you in the right direction if no codes are present the car most likely needs a tune up, when these vehicles get older the fuel injectors become less efficient and need professional cleaning, O2 sensors should be changed every 60 to 80,000 miles whether the check engine light is on or not.
Posted on Jul 24, 2009
If your losing compression then I suggest doing a compression test and then following it up with a wet compression test to determine whether the problem is in the valves or pistons.
Wow one tune up in 122k miles jerking not really an ignition thing more like a fuel thing. If Compression test results are good then do a full tune up even replace coil packs or distributor ( which ever is applicable) and replace fuel filter.
These vehicles are not known for major engine problems (blown engines bad valves etc).
Big with transmission problems if its a 6 cylinder not the 4 cylinders.
Posted on Apr 28, 2010
Yes - any parts store will check the OBD codes for free and tell you the problem.
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Posted on Sep 05, 2010
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