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Anonymous Posted on Feb 22, 2010

1998 mazda mpv code p0170 erase code car runs fine but when i stop for a few minutes it is hard to start and runs rough the engine light comes back on and the code will read p0170 again

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Dave C

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  • Posted on Feb 22, 2010
Dave  C
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This code indicates a fuel ratio problem. I would start by inspecting all the vacuum lines, including the pcv hose and power brake hose. Carefully inspect the air intake hose. This is the large hose between the throttle body and the airflow meter. If this hose is cracked or loose the computer will not sense how much air is being drawn into the engine and it will be hard to start.

Testimonial: "i will look for a leak thanks so much for your help. I will let you know what I find"

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