code DTC - 44
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code DTC - 44
i have a 1989 gmc r3500 with a 454 that giving me a code DTC - 44.i believe that means its the oxygen sensor and something about being lean.i know it aint the fuel pump because i checked fuel pressure.what else could give me that code or is it probably mean i need t o replace the o2 sensor
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93RedSled-SSE
1992-1999
45
04-21-2008 02:21 PM