Rick's Free Auto Repair Advice

Posts Tagged: Avalance

Stalls but restarts

Stalls but restarts after cooldown, GM truck If you own a late model Avalance, Silverado, Suburban, Sierra, Denali, or Yukon and experience a problem where the vehicle drives and then just stalls out as if it has run out of gas, well, it has (kinda). This problem can also set a P0230 or U0109 trouble code, and can also show up as a no start after stall. Shops are reporting problems with the fuel pump control module (FPCM), not the pump itself. Here’s how it works. Rather than run the … Read More

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