Question about 1990 Honda Civic

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No pwr to fuel pump - 1990 Honda Civic

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Replace the main or pgmfi relay, it's way up under the drivers side dashboard, it has "mitsuba" written on the side of it. They are a very common problem.

Posted on Apr 15, 2009

  • Dave  C
    Dave C May 16, 2009

    Did you try the relay?

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P1233 code


ford 1233
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did you google this? 18,000 hits. just for this.
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P1233 - Fuel System Disabled or Offline
Description:

The PCM monitors the fuel pump monitor (FPM) circuit from the fuel pump driver module (FPDM). With the key on, the FPDM continuously sends a duty cycle signal to the PCM through the FPM circuit. The test fails if the PCM stops receiving the duty cycle signal.

Possible causes:

Inertia fuel shutoff (IFS) switch needs to be reset
Open FPDM ground circuit
Open circuit to FPDM PWR RLY
Open FPDM PWR circuit
Open or shorted FPM circuit (engine should start)
Damaged IFS switch
Damaged FPDM PWR RLY
Damaged FPDM
Damaged PCM

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I have an 88 f250 when i flip tanks to front tank it dies i know there is fuel in the tank and i know that the fuel pump works so what else could it be


BLOCKED LINE. OR ITS NOT SWITCH OVER LIKE YOU THINK IT IS.. ALSO VAPOR LOCK ALSO.. MORE THAN LIKELY THE SWITCH IS NOT SWITCH THE PUMP OVER.. MAKE SURE THEIR IS POWER GOING TO THE SWITCH PUMP UNDERNEATH. VOLT METER.. OR A SIMPLE TEST LIGHT.. HAVE SOMEONE SWITCH IT WHILE DOWN UNDER NEATH CHECK THE PWR. ON THE GOOD SIDE AND THEN TRY TO OTHER SIDE AND SEE IF PWR IS THERI...

Mar 08, 2014 | 1986 Ford F 250

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2003 gmc savanna, fuel pump wont work, installed new punp and ignition cylinder, turns over but wont start. I put the key to on position and let it sit for 15 min and still wont start


Check pwr to pump with test light while somebody turns key on and off, if pwr check ground from pump to frame, if no pwr check fuel pump relay

Nov 03, 2013 | 1999 Cadillac Eldorado

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1995 dodge dakota v6 will not start began to run rough spit sputter. replaced cam sensor no change .tried changing ign coil no change. checked pwr to coil at plugin no pwr used a voltage meter checked...


If you have no power to the coil with key on, it might be the crank sensor. The spit and sputter ckould be a fuel problem, but if you have no spark now, check the crank sensor.

Dec 05, 2012 | Cars & Trucks

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1996 audi a4 fuel pump @ or fuel pump relay


It would be easier to run a hot wire from the front to see if it runs.
Normally you would jumper the pump relay to test the pump.

Oct 03, 2012 | 1996 Audi A4

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P1233 code ford contour


P1233 fuel pump driver module offline

May 10, 2011 | 2000 Ford Contour

2 Answers

Engine turns no gas going to front of engine replaqced relay fuses and fuel filter


CHECK INERTIA SWITCH OIR FUEL PUMP PWR. POSSIBLY PUMP IS DONE. CAN YOU HEAR A BUZZ IN TANK ON KEY CYCLES?

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1 Answer

1999 ford ranger wont start


COMMON PROBLEM IS FUEL PUMP.HAVE FUEL PRESSURE CHECKED AT FUEL RAIL. FUEL PUMP IS UNDER BED OF TRUCK ON TOP OF TANK,IF YOU VA GET TO WIRES YOU CAN USE A TEST LIGHT TO SEE IF YOU GOT PWR

Jul 13, 2009 | 1996 Ford Ranger SuperCab

2 Answers

Replaced fuel pump in 1998 for ranger


Diagnostic Trouble Code (DTC) P0232 indicates that the powertrain control module (PCM) detected the FPM circuit voltage was high when the fuel pump was commanded off. The FPM circuit is wired to a pull-up voltage inside the PCM. The FPM circuit will go high if, with the key on and the fuel pump commanded off, the FPM/FP PWR circuit loses its path to ground through the fuel pump. The FPM circuit will also be high if the FPM/FP PWR circuit is shorted to power.
Possible causes:
No Start:
Inertia fuel shutoff (IFS) switch not reset or electrically open.
Open circuit between the fuel pump and FPM circuit connection to the FP PWR circuit.
Poor fuel pump ground.
Fuel pump electrically open.
Diagnostic Trouble Code (DTC) P0102 indicates the MAF sensor signal went below 0.39 volt (refer to Voltage to Mass Air Flow Conversion Table at beginning of this Pinpoint Test) sometime during normal engine operation (Continuous) or during Key On Engine Running (KOER) Self-Test.
Did you have the MAF unplugged?

Feb 18, 2009 | 1998 Ford Ranger SuperCab

3 Answers

2001 ford mustang no power to fuel pumps


check your fuel pump cut out switch. located in the front passenger side kick panel area in the floor board, the safety switch could need resetting

Jan 28, 2009 | 2001 Ford Mustang

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