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P03ff some times lighting chek engine and computer reed fault "p03ff"

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SOURCE: 2004 wrangler chek engine light on. Code

a fuel cap indication would mean a leak not nessesaraly your gas cap, id check the fuel neck vent hose for a leak

Posted on Nov 04, 2009


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I have a hyundai elatnra 99 with 115k miles on it. in the morning or after work when the car is idle for a long time and I start the car it make the sound of missing and then in few seconds its ok

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Iput a new alarm sistem on my 2005 odyssey and chek engine light came on, code p 0420

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the power train control module or computer checks the output of the oxygen sensors (pre-catalyst and post-catalyst) and compares them. When the post-catalyst sensor output starts to resemble the pre-catalyst sensor output with little difference, the computer sets the catalyst efficiency code. Check the output of the oxygen sensors. A worn out or lazy oxygen sensor might be at fault. If the sensors check okay, then the catalytic converter may need to be replaced. This is unusual for a 2005 unless the engine has been having misfires. Raw unburned fuel will quickly destroy a catalytic converter.

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2004 wrangler chek engine light on. Code

a fuel cap indication would mean a leak not nessesaraly your gas cap, id check the fuel neck vent hose for a leak

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