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1 26th November 03:19
mhzjunkie
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Default 2000 Malibu, surging uphill


Does anyone know what causes the surging with these cars when hitting a
small incline or going up hill out on the highway ? I've changed plugs and
wires, no help. The car runs fine, all but this one little problem.

2000, Malibu, 3100.
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2 26th November 03:19
russg
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Default 2000 Malibu, surging uphill


You sure the tranny isn't downshifting?
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3 26th November 03:19
mhzjunkie
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Default 2000 Malibu, surging uphill


If that's what's happening, it's getting right to where it should downshift,
and doesn't. It's like the whole car wants to surge forward over and over
and over until you reach the top of the incline or hill, and then it's stops
doing it. I'd don't think it's trying to downshift, but I could be wrong.
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4 26th November 03:19
don young
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Default 2000 Malibu, surging uphill


This can be caused by a partly clogged fuel filter. You might also see if
there are any trouble codes stored in the computer.

Don Young
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5 26th November 03:19
mhzjunkie
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Default 2000 Malibu, surging uphill


Code stored for EGR value, can't remember the exact code number, but I do
believe (best I can remember) it was for spindle not closed or something
like that. Guess I'll change the EGR valve out and the fuel filter and see
what develops. From the way it acts, it very well could be the EGR that's
causing it. Was just wondering if it was a common problem with the 3100 and
someone knew for sure what causes it.
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6 26th November 03:19
sharky
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Default 2000 Malibu, surging uphill


I don't know if this is a common issue with these cars, but my 1998 Malibu
had the exact same symptons when the coil packs needed to be replaced. The
engine light on my car came on and when I had the computer scanned, I had a
misfire on 3 out of 6 cylinders. All 3 of the coil packs had noticeable
cracks in the plastic, leading me to believe moisture was causing the coils
to misfire. When the misifiring got really severe, the engine light started
flashing and the car would stumble and barely run.

Sharky
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