P0506 Diagnostic Trouble Code Discussion for October 2017
Idle Speed Low Performance
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| Help Request | Posted | |
| 2005 GMC Savana 2500 4.8L Poor Idle Quality, Stall VIN: 1GTGG25V55 P0506: Idle Speed Low. Van came in a few months ago with a very high idle. Cleaned maf, tb, iac, checked for intake leaks etc. Nothing i did helped, so i got a new iac, didn't change, so i start messing with the old one. Plugged it in with it out of the tb and it was moving fine, so... |
October 05, 2017 |
