2001 Saturn L300 scanner codes

2001 SATURN L300
86,000 MILES • 6 CYL • FWD • AUTOMATIC
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CARLR
  • MEMBER
  • 1 POST
My Saturn after reaching operating temp.will buck while driving and stall at idle when in gear.When I had it scanned no error codes came up all passed.I had it scanned again and it said lost communication.at my wits end.thanks!
Apr 3, 2010 at 5:37 PM
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LEGITIMATE007
  • CAR REPAIR CONTRIBUTOR
  • 5,121 POSTS
couple things I'd like you to check is fuel pressure, and the mapp sensor, I'll send you info on how to do a fuel pressure check. I suspect a possible fuel restriction.
Apr 9, 2010 at 6:38 PM
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LEGITIMATE007
  • CAR REPAIR CONTRIBUTOR
  • 5,121 POSTS
https://www.2carpros.com/how_to/how_to_check_fuel_pressure.htm
Apr 9, 2010 at 6:39 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.