The plugs look fine, there is no water/antifreeze smell in the exhaust,the oil looks normal, when the engine is cold the radiator fluid level is stable, it doesn't flow out like a water fall. the truck doesn't over heat at all, next thing i am going to do is a compression test on each cylinder, anything else i can do to check if its the head gasket?
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Re: blown head gasket??? 1992 toyota pickup 22Re
Sorry i still think its a gasket problem,or water ports---but without bringing it to yard for me to have a look its a bit difficult and iam in spain.These *** motors use a smaller rad cap with two seals in ,so it can draw the coolant back in on cooling,but iam of the opinion that its drawing in a slight water ingression causing the idle problem.Go on give it a birthday and pull the head off and check its level and not warped ,also the water ports are not dissolved to any extent.
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If you "smell" the exhaust it will smell sweet if it has antifreeze in it. If that's the case then you might have bad head gasket(s) or cracked head(s) or block. If in fact it is antifreeze in the exhaust, a "leak down" test will help diagnose this. I would take it to a shop that you trust for further testing.
Absolutely correct. Have cylinder head dye tested and checked for warpage before re-using. Do not run the engine any more than necessary ( into the garage or onto flatbed on it's way to shop) or you risk doing damage to engine bearings.
I hate to tell you but most likely your head gasket is blown. But first have your 13 psi cap pressure tested. If the head gasket has blown out in between the cylinder and the water passage , engine compression will enter your coolant and over pressurize the cooling system. This could be caused by a pin hole in the head gasket and that is all. also make sure your head is not warped. The 22re has a cast iron block and aluminum head causing the head to expand at a different rate than the block. causing the gasket to wear and leak. Good luck.
engine coolant sensor, unscrewed it with an open end wrench but make sure engine is cold you will loose antifreeze but its ok you can add back when you replace sensor. have a nice day put 50-50 antifreeze