Need Help with a 1986 GMC Sierra

gmracing355

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Hi!

I am currently working on a 1986 GMC Sierra, 2 wheel drive, 5.0L engine. I keep getting a lean bank, code 44. I replaced the cooling temperature gauge and the O2 sensor and am still getting the same code.

Any ideas or suggestions on what else I should look into or what might be causing the code would be greatly appreciated.

Thanks!

Greg
 


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