Question about 1995 GMC Safari

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1994 safari van V6

Starts and idles fine, revs up okay when parked. When driving there is no power. On a small grade it will not reach 10 MPH.
Press the gas, revs do not increase, trys to stall, will increase rpm a little then stop increasing.
Plugs, wires seem okay. Changed fuel filter. No change.
At a loss for idea's.

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  • eng4081405 Jun 26, 2008

    HAS 260,000 KM (180,000 MILES ON IT)

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That is my next step. Thanks.

Posted on Jul 01, 2008

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Ya these motors need tons of fuel pressure so if you have a pressure tester test the fuel pressure prior to the fuel filter and see if it is atleast 25 psi if not replace pump with new or rebuild all the luck to you with current project

Posted on Jul 01, 2008

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