Affected Component: FUEL/PROPULSION SYSTEM (PWS)

Date Published
JAN 06, 2014
NHTSA TSB #
10097551
TSB Document
Summary
"SITUATION: ON VEHICLES FITTED WITH THE 4.2L NATURALLY ASPIRATED ENGINE ONLY, THE ENGINE MAY EXPERIENCE A ROUGH START OR STALL FOLLOWING A HOT SOAK OF 15-20 MINUTES. CAUSE: THIS MAY BE CAUSED BY THE FUELING CALIBRATION NOT BEING ROBUST FOR WINTER BLEND 10% ETHANOL FUEL."