The Central Hub for DSM Community and Information

For 1990-1999 Mitsubishi Eclipse, Eagle Talon, Plymouth Laser, and Galant VR-4 Owners. This is where the DSM platform history is documented and archived. Log in to help us in our mission, and to remove most ads from the browsing experience.

fuel pressure issue and car dies

This site may earn a commission from merchant affiliate links, including eBay, Amazon, and others.

jpmxrider489

15+ Year Contributor
2,415
152
Apr 4, 2010
pittsburgh, Pennsylvania
So I recently replaced my diaphragm in my regulator because it had a tear in it. I went to take the car out today everything was fine until I got on the highway with some boost. I would loose throttle response and thought the engine had died. I was able to get it home and looked at my log. I noticed my boost was high relative to everything else. There was a spot in the log where the car died and I coasted to the side of the road. The car wouldn't start but a few minutes went by and it started fine. So I get it home and after a 45 minutes I go back to check and my boost gauge said 1psi and fuel pressure was at 20 which is odd. Not sure what would be causing this. In the log, I have a linear fuel pressure setup. Not sure what is going on here. All that was changed was the map sensor and diaphragm in the regulator.
 
post the log
Here is the log. Just an update, I think I might of fixed it. The diaphragm in the regulator was either pinched or upside down. If that was the case, could that cause this issue? I drove it again after reassembling the regulator and it didn't act up. The log is with it messing up.
 

Attachments

You must be registered for see attachments list
Add Value - Be Respectful - No Trolling - No Misinformation - Participate Often!
Support Vendors who Support the DSM Community

Latest Classifieds

  • For sale 2g 2G DSM Link V3
    2G DSM Link V3 $600 + shipping and paypal fees* no cable included * cables are 75 on the...
    • jersygsx
    • Updated:
    • Expires
  • Wanted 2g Shot in the dark (2g Pass strut cut out)
    Need 2g strut tower to save time.
    • frosh29
    • Updated:
    • Expires
  • For sale 2g 2G Mishimoto Radiator & Fan Shroud
    2G Mishimoto Radiator & Fan Shroud $200 + shipping and paypal feesYou must be registered to...
    • jersygsx
    • Updated:
    • Expires
  • For sale VIRGIN 4G63 6-BOLT TURBO HEAD
    Came off a virgin stock AWD Auto 1G DMS (91), also have matching block and crank which are also...
    • The_Partout_Spot
    • Updated:
    • Expires
  • For sale 1G DSM 4G63 6-BOLT TIMING COVER
    Used, see condition in photos. Buyer covers shipping / fees.
    • The_Partout_Spot
    • Updated:
    • Expires
Back
Top