Recent content by slyhog022056
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Stabilitrac and traction control lights on and charging issue
2010 GMC Yukon XL 5.3 vortec..... Just this last weekend had to replace oil pickup tube o-ring and remove and block oil pressure bypass on oil filter for low low oil pressure, 2 months? before that had to unstick lifter for #4. Got all that sraightened out and went for a test drive today. 30+psi...- slyhog022056
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- Replies: 4
- Forum: Engine & Drivetrain
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low oil PSI when passing
2010 GMC Yukon XL, 5.3...... Yesterday I made a round trip from Dallas to Memphis, 4 times along the way while accelerating to pass someone my oil pressure dropped from the normal 20 PSI to the point the oil light came on and I had to pull over and shut it down. Was only 1/2 qt low on oil...- slyhog022056
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- Replies: 13
- Forum: Engine & Drivetrain
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2022 GMC Yukon Denali 6.2 AFM Delete Possible?
Do some research, ask a reputable mechanic a friend of mine had the same problem, but there was a work around. There are sensors, that will not let the DFM engage if they are disconnected. Earlier models used the brake fluid level sensor as part of the system, low brake fluid = no DFM - DOD. You...- slyhog022056
- Post #5
- Forum: Engine & Drivetrain
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cyl 4 misfire
Back again. Got a cylinder 4 misfire, been trying off anf on to fix it. No luck so far. Have changed all coil packs, plug wires, plugs, I do have spark at cyl 4.No knocking like a stuck lifter. Should I swap a couple of fuel injectors around or is there a way to check the wiring plug for getting...- slyhog022056
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- Replies: 2
- Forum: Engine & Drivetrain
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P0304 code and lights all over dash lit up
No work in my truck engine at all, 225K on the odometer. I did find out the misfire will cause the lights for traction control and stabilitrac to come on because of the misfire. getting power out of all the coil wires ( just installed new plugs, wires and coils) all the plugs were pretty black...- slyhog022056
- Post #4
- Forum: Engine & Drivetrain
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P0304 code and lights all over dash lit up
Last week my 2010 yukon XL with 5.3 started a #4 cylinder misfire, traction control light on, stabilitrac lights on, tires pressure light on. Throwing only 1 code, P0304 code. When reset it comes back on within 5 seconds. Changed coil packs, ignition wires, plugs. No change. Not sure where...- slyhog022056
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- Replies: 9
- Forum: Engine & Drivetrain
