- #Ford diagnostic code p1237 how to#
- #Ford diagnostic code p1237 manuals#
- #Ford diagnostic code p1237 manual#
Wondering if "priming" the system by pulling fuel to the schraeder valve with a hand pump will help. Hooked up both original main and transfer pump and can definitely hear the main pump running with stethoscope. Is this normal? Could a slowly decaying voltage mean a short between the FP wiring and perhaps something on a timer (exterior lights?) Pulled rear fuse box relays and fuses without killing the decaying power. Power slowly counted down and took 20 minutes to get down to 6 volts. Power remained when I turned the key off and removed it.
#Ford diagnostic code p1237 how to#
Ford F-150: How to Replace Powertrain Control Module. After an extended period off, I checked key off power at the FP positive lead. A module identifier (MID) is a diagnostic code that identifies the electronic control module that. I will state a guy a work, jump the two ground wires at the connector (to the fuel pump) together. I replace the fuel pump and now even with the key in the on position, the pump runs forever. Plugged it in for grins as a bench test and it ran.ĭisconnected both fuel pumps, probed connectors. P1237 I have this code on my 1999 Mystique 2.5l build date 7/99. HomeFord Select Your Fords Diagnostic Trouble Code Body Codes.
#Ford diagnostic code p1237 manuals#
Since the fuel pump wires didn't match the color shown in the manual, I bought a new pump at autozone to figure out the wiring. Ford Workshop Manuals > A L L Diagnostic Trouble Codes ( DTC ) > Codes by Number > P1200-P12ZZ > P1235 - P1239, ( P1236 P1237 P1238 1235 1236 1237 1238. When possible we give the more descriptive name of the component and the more commonly known OBD II component name. The codes are defined as to what system is affected. Your vehicle is a returnless system with a fuel pump delivery module which is mounted in the left side package tray area in the trunk.This module controls your fuel pump,it actually duty cycles the pump to maintain the pressure requested by PCM.This code is set when the FPDM detects a fuel pump secondary ckt fault then it will send a message to. The codes are listed seperately based upon fuel delivery type. Pinpoint tests leave me with the impression that there is a short to power. AN INTERMITTENT NO START AND/OR MALFUNCTION INDICATOR LAMP (MIL) ON WITH DIAGNOSTIC TROUBLE CODES (DTCS) P1233, P1234, P1235, P1236, P1237 OR P1238. This page explains how to get the codes without any special tools.
#Ford diagnostic code p1237 manual#
Ran through the the Ford Manual diagnostics under these headings, replaced fuse, burnt relay and diode just in case. replaced filter, no fuel coming through filter. Main codes noted were P1237 - Fuel pump primary circuit malfunction, Code: B1681 - PATS transceiver fault, Code: U1262 - SCP Data Link Fault, Code: P1641 - Fuel Pump Primary circuit failure, and Code: B1201 - Fuel sender circuit failure. Cranks well and will start for 30 seconds about once every day. A Ford P0171 is a LEAN code for cylinder bank 1, and P0174 is a LEAN code for cylinder bank 2. Is slowly decaying power at Fuel pump Positive lead normal after the key is turned from Run to off?ĭebugging a strong crank but almost no start condition on 2002 'bird. Home, Auto Repair Library, Auto Parts, Accessories, Tools, Manuals & Books, Car BLOG, Links, Index Ford P0171 & P0174 Lean Codes by Larry Carley copyright 2019.
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