Question about 1987 Toyota MR2
87 mr2 - On a cold start the idle is 2000rpm steady, but after the engine is warm the idle is not steady at all. It bounces between 1000 and 1500rpm at a constant rate. I'm hoping it is a vacuum leak but I am not mechanical and don't know where to start. Any help would be appreciated. Also...and maybe more aggravating is the oil pressure, temp, and fuel gauges are not working. I (again) am hoping it is just a fuse but dang if I cant find the fuse box. I know there is one in the front compartment, and one just left of the clutch but they do not seem to control those gauges...any ideas??
Check your IACV idle air control valve
Posted on Apr 06, 2011
Dear sir your head gasket is cracked leaking the 4agelc engine is known for the #2 cylnder head gasket to go if however this has been going on for some time antifreeze is dumping in to te crank case compromizing the bering journals the other stuff is not related ive owned these cars before threre fun as hell to drive bu money pits dont beat the car you may be able to get the head done if you can afford it over 2,500 the car will lope or hunt for a idle beacuse ani freeze going past the o2 sensor the ecu doesent know how to correct rich or lean
Posted on Feb 13, 2009
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Posted on Jan 02, 2017
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