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Halefury

Member
Joined
Sep 3, 2024
Messages
7
Reaction score
2
Location
Rockport,Texas
What engine do you have?
V6 engine
What year is your Sport Trac?
2005
What Generation is your Sport Trac?
1st Gen Owner
2005 Ford Sport Trac 4.0L V6. The Truck started stalling after a few blocks of driving. Read codes got P1237 so I replaced the Fuel Pump Driver Module and Fuel Pump Inertia Switch . Stalling went away and code reset it self after a few cycles. Code came back so I changed the Fuel Pump with a new Delphi pump. Reset the Codes with ODB2 scanner. After driving it for a few times Code came back. Still showing P1237 and all three main components are New... Checks connections at FPDM no corrosion, Pins look fine and no frays anywhere. Checked grounding wires , they seem to be tight and secure.
 
Check the relay under the hood, swap it with another, it can cause that code too.
 
Todd Z said:
Check the relay under the hood, swap it with another, it can cause that code too.
Click to expand...
Went to the Autostore and grabbed a new Fuel Pump Relay and installed still same issue. I tried Resetting the code with my ODB2 scanner but code just pops right back up. All parts are brand new now.
 
Halefury said:
Went to the Autostore and grabbed a new Fuel Pump Relay and installed still same issue. I tried Resetting the code with my ODB2 scanner but code just pops right back up. All parts are brand new now.
Click to expand...
Just because there's a new part doesn't mean it's a working new part, my Dad tells me in his shop everyday he sees people replacing good parts with cheap Chinese parts because they are guessing.


Have you done any tests?
 
Didn't use cheap Chinese parts. I ordered OEM parts. Did use Delphi pump because Motorcrafts was out of stock and dealership here was having issue locating that pump in stock anywhere. Thinking it may be a ground issue that hasn't been found yet. So far no problems with ground on connections and everything is secure and no frays unless it's behind the firing wall going back to the PCM. Delphi was $350 but came with lifetime warranty which wasn't a bad thing.
 
Last edited by a moderator:
Halefury said:
Didn't use cheap Chinese parts. I ordered OEM parts. Did use Delphi pump because Motorcrafts was out of stock and dealership here was having issue locating that pump in stock anywhere. Thinking it may be a ground issue that hasn't been found yet. So far no problems with ground on connections and everything is secure and no frays unless it's behind the firing wall going back to the PCM. Delphi was $350 but came with lifetime warranty which wasn't a bad thing.
Click to expand...
See too many purchase parts on Amazon
 

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