Toyota Rav 4 1997 .Check engine comes on .Codes are P0301,302,303,304116 . What to do.
The engine coolant temperature is high. Your other Codes are for missing cylinders on cylinder 1,2,3,and 4. Get the Codes cleared and start over. Changing the plugs and wires,etc could have generated the missing cylinder Codes.
Autozone,Advance, and Oreilys will scan for free.
Check your engine for an IDLE SPEED CONTROL SOLENOID, which may be in the intake. Or a fuel pressure regulator.
A lot of times people work on the spark side and forget the fuel injectors. They can cause a miss.
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