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CarComplaints.com Notes: Engines shouldn't need a new quart of oil every 500-1000 miles, but for thousands of Suburban owners that's exactly what's happening. Engine oil consumption on aluminum block engines with Active Fuel Management (AFM) is out of control and owners are left looking for answers.
The most likely culprit is an uncovered AFM valve which, in many cases, can be covered under warranty. The problem is the issues don't stop there and many owners have been told by GM just to buy a new engine. Take one guess who they want to pick up the tab.
7.8
pretty bad- Typical Repair Cost:
- $1,490
- Average Mileage:
- 87,450 miles
- Total Complaints:
- 13 complaints
Most Common Solutions:
- not sure (10 reports)
- replaced rings and lifters (2 reports)
- replaced fuel pump (1 reports)
engine problem
Helpful websites
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A D V E R T I S E M E N T S
I have taken this vehicle to the dealer numerous times for the misfire on the 6. Only to continue to be disappointed after spending thousands of dollars. Then the stability and traction control lights are on. I have replaced everything that came up in the codes and it still points back to the misfire on the 6. I have changed wires, plugs, coil pack, wheel sensors, Steering wheel position sensor, throttle, gas pedal sensor, injectors, rings, pistons, wires that lead to all the most important parts. The dealer does something each time to fix it just long enough for me to drive in less than 30 minutes. This issue is such a money absorber. The truck will run fine then it will start to jerk, burn so much gas, and the cruise control starts acting up, the lights in the dash starts going from bright to dim. It's just one problem right after the other. A recall needs to be put in place to fix this issue.
- teecw, Columbus, US