Durango won't start in warm weather

Asked by Ascona_285 Mar 12, 2011 at 10:50 AM about the 2000 Dodge Durango SLT 4WD

Question type: Maintenance & Repair

5.9L engine won't start/hard start when ambient temp is above freezing and engine is cold. Have replaced MAP sensor.

1 Answer
33,895

Dan answered 13 years ago

seems like it could be an IACV, or a temp sensor. the computer uses the coolant temp sensor when you first start as the master sensor to judge how much fuel to let in, if its getting a skewed reading thats too cold your injectors are in what i like to call "toilet flush" mode and theyre dumping gas in, if its reading too hot your not getting any gas into the engine. IACV limits the air thats allowed in so that could be reading bad as well

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