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Check engine light

Home > Discussion Forum > Mechanic's Corner - Engines

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All Messages in Thread	Author	Date
Check engine light	Kevin	2-7-07
I have 1989 Mallard rv 460 engine,my check engine light flashes when traveling over 40 miles per hr,i had it checked out 2 times, by 2 difrrent mechanics the computer read no problem,they said i shouldnt worry about as long it is not on steady any suggestions would be appreciated,someone told me it can be my oxygen sensor.Thank you Kevin
Re: check engine light	rich	2-27-07
Ox sensor can do that, Kevin. I had same problem with a Chevy Sub., light only came on under load, or over 55MPH. Rich
Re: check engine light	Kevin	2-27-07
Thank you,Rich. I will replace,when i get exhaust re-done