Yukon wont pass smog,code p0785 came up.what does that mean&how do i fix it
Your code is a PO785 is a SHIFT TIMING SOLENOID BANK A wich is a transmission code nothing to do with your smog failure so go to your local auto store and buy this product it's called guaranteed to pass this will get u buy the bs emissions test for 10 bucks regards Chris
SOURCE: 2000 gmc yukon xl 4x4 wont engage
$115 inparts and lobor fixed for me...see my solution posting by clicking on my name.
SOURCE: I have a 1999 GMC Yukon Denali, 350 V8. I want to
check in the area above the rim of the oil filter...they're typically located very close to the filter.
k
SOURCE: 1999 GMC Yukon seems to backfire once in a while
look for vac leak at egr valve, when cold spray carb cleaner on and see if it speeds up the eng
SOURCE: 1999 GMC Yukon - Blower only operates on high. I
on these models on the harness that plugs into the fan switch goes bad, I changed the switch and found this harness melted together on my 99 yukon
SOURCE: 1999 gmc yukon obd11
ok heres problem 101 is mass air flow sensor 171 running too rich 174 running too lean can find 429 but it the same lines i believe take out your mass air flow sensor and clean it check it connection if comes back on replace the mass air flow sensor
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