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#1
07-21-2005, 10:22 PM
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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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99 Pontiac Grand Prix GTP. 98k miles, black on black sold...1995 Nissan Maxima se sold....94,94,99,04 Jeep Grand Cherokee Limiteds SOLD..... Isuzu Rodeo 5 spd...4x4... manual hubs....160,000 miles... sold...89 and 94 Jeep wrangler - 4 inch lift 33s 
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#2
07-22-2005, 10:59 AM
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Re: 98 Taurus check engine code P1131.....HELP
I don't think it is the MAF. If MAF were the culprit, you would have a code for both banks. Remove the suspect O2 and see if there is a lot of carbon built up on it. Usually, in our shop, lack of switching is a lazy sensor and needs replaced. The sensor is the first sensor on the side that has the #1 cylinder on it.(rear next to firewall)
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Being way2old is why I need help from younger minds The sooner you fall behind the more time you'll have to catch up.  HEY Y'ALL--READ THIS Here are some of our old vehicles for sale. 
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#3
07-22-2005, 05:43 PM
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the car acts like its going to stall sometimes, the rpms get real low, and also one of the other thing is the car accelerates with a one or two second delay. any thoughts?
__________________
99 Pontiac Grand Prix GTP. 98k miles, black on black sold...1995 Nissan Maxima se sold....94,94,99,04 Jeep Grand Cherokee Limiteds SOLD..... Isuzu Rodeo 5 spd...4x4... manual hubs....160,000 miles... sold...89 and 94 Jeep wrangler - 4 inch lift 33s
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#4
07-22-2005, 06:03 PM
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how do i know which o2 sensor is the culprit?
__________________
99 Pontiac Grand Prix GTP. 98k miles, black on black sold...1995 Nissan Maxima se sold....94,94,99,04 Jeep Grand Cherokee Limiteds SOLD..... Isuzu Rodeo 5 spd...4x4... manual hubs....160,000 miles... sold...89 and 94 Jeep wrangler - 4 inch lift 33s
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#5
07-22-2005, 07:58 PM
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Re: Re: 98 Taurus check engine code P1131.....HELP
Quote:
__________________
Being way2old is why I need help from younger minds The sooner you fall behind the more time you'll have to catch up. HEY Y'ALL--READ THIS Here are some of our old vehicles for sale.
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