Question about 1987 Mercedes-Benz Mercedes Benz 190 Class
RUNS GREAT WHEN WARM, AFTER NUMEROUS TRIPS, STALLING ISSUE BEGINS!NEW FUEL PUMPS&FILTER RECENTLY, THREW PARTS AT CAR, OVER VOLTAGE PROTECTER RELAY, IGN. COIL, CAP & ROTOR, CRANK POSITION SENSOR,NOW CAR WON"T START. CHECKED FUEL PUMPS, WORK WELL WHEN POWERED UP WITH 12V'S, WHEN STARTING CAR, NO VOLTAGE @ PUMPS. HAD CAR IN SHOP, TECH SAID VOLTAGE @ PUMPS WERE ALL OVER THE PLACE(HIGH & LOW) DROVE CAR HOME AND KEPT STALLING, MADE IT HOME EVENTUALY.TECH SAID FUEL PUMP BAD. IT WAS NEW! QUIET @ TIMES THEN GETS VERY NOISY(BUZZY)POWERED UP AT CONS. VERY QUIET(BOTH PUMPS)CAR RUNS PERFECT MOST OF TIME!
Hello,good day,first we are in fuel side,better to install a fuel gauge,to determine the right pressure, is not mention your fuel pump relay,this should also check,some occasion the power supply is missing,now if all is in order (fuel side) then your switching unit(transistor box) need tobe check,assuming your engine is 103 engine,ty
Posted on May 19, 2009
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Posted on Jan 02, 2017
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