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11-26-2003, 07:27 PM
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#1 | |
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AF Newbie
Join Date: Nov 2003
Location: Round Rock, Texas
Posts: 6
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Throwing a 44 code
1991 Suburban with 350 TBI. Just bought it, so I changed the rotor, cap and wires. Everything seeemed to run OK for about a week, then I seemed to lost high end power -- seemed like the timing wouldn't advance enough while going up hills. The Check Engine light came on occasionally.
Pulled the codes and came up with only a 44 -- lean exhaust. In addition to replaceing the O2 sensor, I feel the problem could also be a plugged catalytic converter. Something seems to be holding the car back. Need your help/opinions on the matter. Thanks in advance and happy Thanksgiving. |
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11-26-2003, 09:40 PM
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#2 | |
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AF Enthusiast
Join Date: Nov 2003
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have you checked the fuel filter for restrictions? this will set a code 44
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11-28-2003, 07:35 PM
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#3 | |
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AF Newbie
Thread starter
Join Date: Nov 2003
Location: Round Rock, Texas
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Success! Replaced the O2 sensor and the fuel filter. Both jobs took less than 45 minutes. The car now runs like a tiger. Thanks for the helpful advice.
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