1998 Mitsubishi Montero Accelaration Up Hill

Tiny
SELVESTRE
  • MEMBER
  • 1998 MITSUBISHI MONTERO
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 140 MILES
On flat roadways, it seems to perform adequately. However the second I hit an uphill without a head start, it slows down considerably. I have to avoid hills where possible. This is my wifes car. I know she uses crappy gas all the time and drives like a maniac!
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Wednesday, September 30th, 2009 AT 12:23 PM

1 Reply

Tiny
MERLIN2021
  • EXPERT
Start with the basic stuff, plugs and wires, all filters. Do you know when the last complete tune up was? Is the check engine light on? Or on going up a hill? 140,000? If tune up is recent, compression test the motor. And pressure test the fuel pump.

http://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator

http://www.2carpros.com/dia/how_to_check_compression.htm
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Wednesday, September 30th, 2009 AT 1:24 PM

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