Question about 2004 Isuzu Rodeo

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Code number P1239

My check engine light is on and also reduced power light. I had it checked at Advanced Auto and told me the code. They could not tell me what it meant. Is it serious and can I drive it 6 hours without damage to my vehicle?

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Says your fuel pump is the problem.. i looked up the code for you.

Posted on Jan 05, 2009

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Posted on Jan 02, 2017

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I AM HAVING A PROBLEM DIAGNOSING DTC CODE P1239 ON MY 2004 ISUZU PASSPORT. IT RUNS FINE FOR A FEW MINUTES< THEN THE CHECK ENGINE LIGHT AND REDUCED POWE RLIGHT COMES ON AND IT WONT GO OVER 30 MPH. IF I...


This would be
High fuel pressure system fault - Pressure high or low
1. check fuel quantity and quality
2. check for restriction
3. Open or short circuit condition
4. check repair resource for diagnostic procedure

May need a new fuel pump

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