Grumpy Bear Posted September 4 Author Share Posted September 4 261,000 Mile Service 9/2/2024 1K mile OCI on 18 ounces of makeup 5 quarts Shell Rotella T6 5W40 Have to get rid of this stuff. No filter change. She's going to beat me into submission She is no limited to 50 miles from home. No more day trips. Quote Link to comment Share on other sites More sharing options...
Grumpy Bear Posted September 10 Author Share Posted September 10 261,500 Mile Service 9/10/2024 500 mile OCI on 8 ounces of makeup oil 5 quarts Shell Rotella T6 5W40 No filter change. Only 2,316 miles on this one. Parts for HP Fuel pump replacement to be here by Thursday this week. Nice weekend project me thinks. Quote Link to comment Share on other sites More sharing options...
Grumpy Bear Posted September 16 Author Share Posted September 16 261,753 Mile Service 9/15/2024 New High Pressure Fuel Pump (HPFP) and pump to injector log pipe. Cut fuel trims in half although they were in spec. Seems par for GM. Not right and yet doesn't toss a MIL. Quote Link to comment Share on other sites More sharing options...
Grumpy Bear Posted September 17 Author Share Posted September 17 262,000 Mile Service 9/17/2024 500 mile OCI 2 ounces of makeup oil. 4.875 quarts of Tractor Supply Travelers SAE 40 SP + 4 ounces Red Line ZDDP 1 Purolator L15436 filter Talk about quiet. No sample pulled this OCI. Assumed fuel diluted as pump was replaced mid OCI. Quote Link to comment Share on other sites More sharing options...
Grumpy Bear Posted October 4 Author Share Posted October 4 263,000 Mile Service 10/04/2024 1,000-mile OCI 16 ounces of makeup. 5 Quarts Supertech 10W30 Conventional. No filter. 1K on it. Set tire pressures, wash and polish. Pulled sample. Quote Link to comment Share on other sites More sharing options...
Grumpy Bear Posted October 22 Author Share Posted October 22 264,000 Mile Service 10/22/2024 1,000-mile OCI 16 ounces of makeup. No filter 2K on it 5 Quarts Valvoline R&P 5W30 Replaced drivers side headlamp Dismounted one leaky tire. Cleaned rim and tire beads. Went crazy with the sealer. We'll see. Quote Link to comment Share on other sites More sharing options...
Grumpy Bear Posted November 14 Author Share Posted November 14 (edited) 265,000 Mile Service 11/14/2024 1,000 mile OCI and more than long enough. 12-16 ounces makeup. Pretty steady now. No filter 3K on it 5 Quarts Valvoline R&P 5W30 (No longer on sale and not cheap) P0420 low cat efficiency is coming in a couple of times a day. Trims are wonky and it stayed on high cold idle longer. Dropped a gallon of lacquer thinner in half a tank and ran it 200 miles. About 3 days now without tossing a code. Trims are even and low and idle restored. Edited November 14 by Grumpy Bear Quote Link to comment Share on other sites More sharing options...
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