mtjsdad
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mtjsdad
please help...i own a 97 expy with 153,000 miles. when my cel came on i had a ford dealer scan it and it showed 2 oxy sensors going out and the mass air flow sensor. i replaced them but the light came back on about a month later. then without notice when i pulled up to a stop light...the engine died. i managed to limp home by starting the engine and shifting from neutral to drive by giving it more gas so as not to stall. i got online and checked some forums and most indications pointed to the pcv valve and iac valve. i replaced both and it worked. the cel was off so i took it to drive about 30 miles to reset the computer. i got 7 miles and it died again at a stop light. the truck starts right up and doesnt stall until i put it in drive. can someone help
