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Join Date: Jan 2009
Location: Chilliwack, BC
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1986 MR2 running problems...HELP!!
well I've had many ideas and tried many things to fix my running problems, but no success yet. this is my latest project aw11 and after running through a few of them i havent ran into this problem before.
it's a 4A-GE 16v engine,1986 Toyota MR2
-rough idle (varies from 500-1500 rpm, but only after its warmed up).
-major hesitation on acceleration and seems like its running really rich.
-temp gauge stays at a good level, but overheat light comes on after a good long drive
so far i have tried replacing the O2 sensor, cleaning the EGR valve then replacing soon after, checking for vacuum leaks, running a fuel injection cleaner, adjusting timing, checked plugs, and making sure my grounds are all good, replaced the MAF sensor and replaced the water temp sensor also.
ANY IDEAS???? i jus cant figure it out