03 ML RUNNING ROUGH ON 1/4 GAS TANK GAS
Asked by Mike Apr 19, 2017 at 04:33 PM about the 2003 Mercedes-Benz M-Class ML 350 4MATIC
Question type: Maintenance & Repair
WHEN GAS TANK IS FULL RUNS PERFECT ,WHEN GAS GOS LOW TO 1/4 OR LESS OF GAS TANK START RUNNING ROUGH ON STOP ALMOST DIEING BUT IDLE GOES UP AGIAN AND RUND OK TILL FEW STOP AGAIN SAME PROBLEM
3 Answers
replace fuel filter !!!! ... check pump pressure...a full tank of gas will help a weak pump to puse more fule
1 people found this helpful.
THANKS,I WILL TRY FIRST WITH FUEL FILTER AND HOPE ITS NOT THE FUEL PUMP
also...is it in good turue ? its easy to change those spatk plugs and look for a vacuum leak...kelly