Question about 1990 Toyota 4Runner
1992 SR5 Toyota 22RE fuel injected with manuel transmission. My problem is when truck is cold it seems to run good but once when it warms up I lose power. The engine will hesitate and will not go over 40 miles an hour. And exhaust smell really rich. I already checked for a plug cat. convertor. Had a resent tune up. The problem started after getting stuck in mud and broke some wires to the O2 sencor.
That's probably the problem the broken wires. The 02 sensors send a rich/lean signal to the ecm. If they aren't working right, a lean or rich situation will occur. Best to get the wires fixed. If the wires broke off at the sensor, need to replace it.
Posted on Jun 15, 2009
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Posted on Jan 02, 2017
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