93 subaru imprez.when warms up it starts missin.durin idle.and on highway.wen u give it gas on highwayIt runs good .also wen idle wen u give gas runs good.
SOURCE: colt idle problem.
Most likely you have a bad Idle motor which is a small motor mounted on the intake manifold. If the motor can run better with your foot on the gas but dies if removed then it is probably this. This motor is controlled by the OBDII computer which gets it's control signal from the temp sensor which is located either on the radiator or engine block (which could also be bad), if the electric fan (if equipped) turns on then this is not the problem part, but the idle motor is. Another possibility is that you have some bad /cracked vacuum hoses which should be checked for first, before replacing the idle motor.
SOURCE: 93 subaru legacy starting problems
Probably a short or loose connection between battery and starter motor, or on either end of cables. Id look there before swapping out starter.On cold days you might put a heater under car for a few hours before using it,do this carefully as to avoid a car fire, or look into a block heater for your engine.
SOURCE: subaru impreza 2l turbo, 1994, starts fine and
Hi there i had the very same problem on my 98 impreza 2l turbo, this was caused when i removed one of the catalytic converters from the exhaust, i was hitting the 'fuel cut off' because i had increased flow through the exhaust causing the boost pressure to rise quicker and higher. this happens at 18.8psi of boost pressure, i had to get mine taken to a rolling road to be fixed but touch wood have ad no problems since, hope this helps.
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