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Old 07-21-2005, 10:22 PM
ptc1625 ptc1625 is offline
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98 Taurus check engine code P1131.....HELP

hi i have a 98 taurus with 78k miles 3.0 vulcan, and the check engine light came on, i had it read at autozone and they came up with the code P1131. on the little ticket they printed me out it says

TROUBLECODE OBDII (ALPHA) P CODE
TROUBLESHOOTING P1131
lack of ho2s switch - sensor indicates lean

what does this mean? lean what?

im guessing its either an o2 sensor, or mass air flow sensor, but its only a guess,if so what do you think the price of the two items would be. thanks in advance
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