lean out on 3vze
#2
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Bad O2 sensor, if it was telling the ECM that the exhaust was too rich, then it could lean out the mixture.
Bad coolant temp sensor, telling the ECM that the engine is hot when it's cold, causing it to run lean when cold.
Just some.....
Bad coolant temp sensor, telling the ECM that the engine is hot when it's cold, causing it to run lean when cold.
Just some.....
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