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| Eighty Eight Includes the '97-'98 Regency and '96-'99 LSS Models |
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#1
02-11-2009, 10:58 PM
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need help
i have a 1998 olds 88 with a 3800 series 2 engine with a150,000 miles. runs rough at idle with poor acceleration and fuel economy. check engine light on steady went to autozone to have codes read and they came up with three P0108,P0135,and P0341 any suggestions would be greatly appreciated
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#2
02-12-2009, 12:57 PM
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Re: need help
P0108---Map Sensor high voltage
P0135---HO2S Heater Circuit sensor 1 P0141---Heater Sensor Circuit 2 These code diagnostics are from a 96 olds 88 service manual. Would be good to double check to make sure they are the same for your vehicle. If they are it appears that if u replace HO2S 1 Oxygen Senor and HO2S 2 oxygen sensor your fuel problem will improve. As for the idle and rough ride problem (P0108) u have to check the vacuum supply to the MAP sensor for leakage or plugged. Also could be a short to the MAP signal circuit. Last resort is to replace PCM Hope this has been helpful Good Luck
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