Chevrolet Malibu Stalls After Gas

CHEVROLET MALIBU
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GLOEWEN
  • MEMBER
  • 1 POST
Only after filling with gas (any amount), the car idles very high then low, and eventually stalls. Its only until the car runs for a couple minutes (in drive), that the car acts normal. Recent repair was changing the head gasket. Occationally the car will stall when stopped at a light.
Apr 17, 2006 at 2:40 AM
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KENB79764
  • ✓Experienced Mechanic
  • 52 POSTS
sounds like your evaporative(charcoal)canister may be plugged. it is designed to absorb excess vapor which you get high amounts of when adding fuel. when it is clogged, this vapor stays in the emissions system causing a flooding effect. another possibility is the breather hose at the tank.
Apr 18, 2006 at 1:40 AM
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Suggested Repair

Inspect the EVAP charcoal canister for a clog and check the fuel tank breather hose. A plugged canister can trap fuel vapor after fill-ups and cause a flooding effect, high-then-low idle, and stalling until the vapor clears.

Conversation Summary

The owner reports a Chevrolet Malibu that idles high then low and stalls only after adding fuel, then runs normally after a couple of minutes in drive. It also occasionally stalls at lights, and a head gasket was recently replaced. The expert suggests a plugged EVAP charcoal canister or a tank breather hose problem allowing excess vapor to flood the engine after fueling.

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