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Thread: 1997 5.7 liter Suburban.
06-03-2008, 08:52 PM #1
- Join Date
- Jun 2008
1997 5.7 liter Suburban.
Why does my 1997 5.7 liter Suburban hesitate between 50 & 70 mph? Any thoughts would be great.
06-04-2008, 12:52 AM #2
- Join Date
- Dec 2006
check your egr??
my old 94 burb did this and i found that the egr valve to bethe culprit.
06-04-2008, 09:37 AM #3
So many possibilities. Can you describe in more detail this hesitation? Does the SES light come on? Even if it doesn't, I might scan for codes and pending codes to see if the computer has anything to report. A fuel pressure test might also be in order, though you may have to set it up so you can monitor the fuel pressure under conditions that it hesitates. There's also the question of it being a possible transmission issue.'98 K1500 Suburban LS 5.7 L 4L60E NV246 ARB
'92 Ford Explorer XLT 4x4 4.0 L A4LD BW13-54 Trac-loc rear
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