BenzWorld Junior Member
Date registered: Jun 2010
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SL 320 idles fine for 15 minutes - not fuel filter
I was driving had about 6 gallons of gas it started to sputter the slowed and slowed and slowed till stop. I would start it it would idle but not rev above 2k without sputtering. At 2k it would sputter. This would last 10 minutes then it sputtered so much it wouldnt run at all.
wait 30 minutes. All over same thing. Seem to idle fine, not rev high and then slowly increasing sputter till dead.
I had been hearing an odd eletric sound in the back..
I changed the fuel filter and changed the plugs. Plugs looked awesome textbook proper plugs. No crud at all came out of old fuel filter.
Start it up it idled perfect for 15 minutes, then slight sputter, then increasing sputter, 2 minutes, it got worse 1 min worse till wont start.
I would think if faulty fuel pump it wouldnt start at all.
I would think fowled injectors would be a consistent sputter and not go from smooth to worse to bad.
1) how to tell if bad tank of gas?
2) how to tell if sabotaged like sugar/sand in gas?
3) what could it be?!