Question about 2001 Isuzu Rodeo

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Check engine light on,running rough and stalling.

Trouble codes p0171,p0172,p0174,p0300 what do they mean.

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Means you have multiple misfires (po300) the other codes are lean codes, possiable tune up , bad injector, fuel pump,

Posted on May 07, 2009

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171, 172, 174 are lean codes. P0300 is a missfire code. It sounds like you have a vaccuum leak. Listen for a sucking sound, try to locate it then repair it. Most likley a hose loose. Good Luck

Posted on May 07, 2009

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