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44 Posts
Discussion Starter #1
OK
First of my car overheats but when i drop a gear or rev my engine it jumps back to normal.

Second my car sometimes revs between 1000 and 2000 and like keeps bobbing up and down.

Third when ever i turn of my car the radioator resevoir tank boils and makes a funny noise.

My car leaks oil a little bit and thats the only problem that i know of!

Can anyone help ?
 

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1990 Celica GTS
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2,714 Posts
Rad plugged->get new one.
Throttle body and Idle control valve need cleaning->get a can or 2 of throttle body cleaner, remove intake pipe and spary into TB and all holes around it ot clean. Reset ECU, idle and timing after that.
 

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pseudo-systematic
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176 Posts
has your water pump been replaced? i have seen the blades on water pumps corrode until there was almost nothing left. this will cause overheating at low rpm's because the water pump cant circulate the coolant thru the system.
 
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