2004 Chevrolet Suburban 1500 Questions

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Had heads replaced due to a bad casting (castech heads) And they cracked by the headbolts. Picked the truck up and it misses like a bastard. I can't have the truck down for another week as it's our only vehicle and we...
Occurs only when engine warm/hot ,at idle in drive launching from a stop,this occurs consistently 0-4%tps p0300 was stored history, no other codes,no reduced eng.power.( this feels to me like a carburated engine with ...
Just bought 2004 Suburban 1500, 143,000, well maintained, but won't start on first try. Many times it will start on the second or third try. We just replaced fuel filter, still doing same thing. Occasionally will st...
Took wiring harness apart and found melted black wire (ground?) connector. What do I do now? Both the male end and the female end are burned. I am a novice when it comes to car stuff...only figured it out by reading o...
It revs so high changing from 2nd gear to the 3rd and 4th. and the technician said i should get a new gearbox about $2800. Please is there any other way i can correct this??? its urgent :'( .
Transmission replaced 3 wks ago now front differential needs work. Can damage be due to transmission replacement? Should front differential been repaired looked at when transmission was replaced?
If I flip the headlight switch to On, the headlights come on and the running lights stop flashing. Has anyone seen this before and where do I begin to troubleshoot?
It will stop blowing hot air only if you turn the ignition off and on. This could be for 10 seconds at a traffic light, then the AC Blows cold again. Very intermittent. Can blow cold for 3 miniutes or an hour; ne...
I have checked all fuse. When I pull the ipc/dic fuse and put it back in, the logic light on the dash lights all the way across. After a couple of hours the light goes out. Any suggestions?
Little to no brake work has been performed on this vehicle