Question about 1999 Chevrolet Suburban
Just replaced fuel pump and filter . . . 5.7 runs strong cool . . . motor quite while on the freeway . . . was towed to a shop, sat the weekend, started & ran fine on Monday; the shop ran a diagnostic check . . . NO ERROR CODES???????? . . . fuel pressure was 55 . . . drove it home 140 miles with no problem . . . gas pedal seems a little mushy, but maybe it's my lack of confidence . . .
In regards to the issues....I went through this with two GM service vans...and it is the connector just before the fuel pump...the resistivity is changed somehow...the solution is to cut out the connector and hard wire it...soldered if possible...the truck will run better....but the gas guage will not show correctly....if you do not do this ....you will replace the fuel pump in 3-5000 miles...GM does not consider this a recall issue at this time....we spent over 3000 dollars out of pocket unitl I finally got fed up and fixed it myself...being stranded 3 states from home...
In my Humble opinion....this is why almost all( in tank) fuel pumps go bad...because that was 100,000 miles ago and the fuel pressure is still factory specs...better fuel economy also...
Best to you,
Posted on Oct 10, 2008
I hope you bought the fuel pump from the dealer, if not expect it to go out within 3 months.
Posted on Sep 23, 2008
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Posted on Jan 02, 2017
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