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Fuel pump relay p0230 - 2005 Alfa Romeo Milano

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Posted on Jun 09, 2015

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P0230 fault - citroen xsara picasso 2001 2.0HDI - not fuel pump or relay changed - intermittent cutting out on car - can drive 30 / 5 / 15 miles before this occurs


code p 0230 refers to fuel pump relay---circuit malfunction===causes --wiring---fuel pump relay-- ECM
check wiring for bad connections
replace the ECM with a known good unit as it may be breaking down electronically in the circuit that controls the pump relay
Check the pressure regulator as well as it reports to the ECM to shut off the pump relay when the fuel pressure is reached and not being used

Apr 21, 2016 | Citroen Cars & Trucks

1 Answer

2004 pontiac bonneville ran for about 5 minutes then shut off. i scanned the computer and it showed a p0230 code.fuel pump primary circuit misfunction.now it wont start at all.battery alittle weak.


check that the pins in the relay socket and the PCM connector are good and make contact youshouldsee12v at pcm... PCM is last resort. Check the fuel relay first for melting or burnt smell.

Mar 09, 2016 | 2004 Pontiac Bonneville

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HI, FORD MUSTANG 2013 V6 I CLEANed THE CATalytic CONVERTER, I get CODE P0420 P0230 ANYBoDY CAN HELP ME THANKS, A LOT. HAPPY NEW YEAR


P0420 Catalyst System Efficiency Below Threshold (Bank 1)

P0230 - Fuel Pump Primary Circuit Malfunction NOTE: For natural gas applications, the following description applies to the fuel shutoff valve (FSV) circuit.
The PCM monitors the fuel pump (FP) circuit output from the PCM. The test fails if: With the FP output commanded ON (grounded), excessive current draw is detected on the FP circuit; or with the FP output commanded OFF, voltage is not detected on the FP circuit (the PCM expects to detect VPWR voltage coming through the fuel pump relay coil to the FP circuit). Open or shorted fuel pump (FP) circuit
Open VPWR circuit to fuel pump relay
Damaged fuel pump relay
Damaged PCM
When the FPF PID reads YES, a fault is currently present.
An open circuit or short to ground can only be detected with the fuel pump commanded OFF.
A short to power can only be detected with the fuel pump commanded ON.
During KOEO and KOER self-test, the fuel pump output command will be cycled ON and OFF.

http://www.focusfanatics.com/forum/general-technical-chat/59286-dtc-codes-detailed-descriptions.html

Jan 02, 2016 | 2013 Ford Mustang

1 Answer

Were is a fuel pump relay switch located on a 2000 Oldsmobile intrigued


Hey James , It's in the under hood fuse box , F/PMP relay an there is a fuse F/PMP 15 amp. Underhood Accessory Wiring Junction Block
Right side of the engine compartment, mounted to the strut tower

The PCM controls the fuel pump relay by supplying switched ignition voltage to the fuel pump relay coil. When the ignition switch is first turned On, the PCM energizes the fuel pump relay. The relay contacts close applying power to the fuel pump. The fuel pump relay will remain On as long as the engine is running or cranking and the PCM is receiving reference pulses. If no reference pulses are present, the PCM de-energizes the fuel pump relay within 2 seconds. With the engine stopped, the fuel pump can be turned On with a scan tool.
If the PCM detects a problem on the relay control circuit, DTC P0230 will set. Use this table if DTC P0230 is not set and a problem exists with the fuel pump!

Apr 13, 2015 | Oldsmobile Cars & Trucks

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2000 buick regal. Losing fuel pump voltage


http://www.bbbind.com/free_tsb.html free wiring diagrams ! Enter vehicle info. year , make , model an engine size . Under system click on engine ,then under subsystem click on fuel controls . Then click the search button , then click blue link .The 7th diagram down shows two fuel pump relays , This I have not seen before ! One is speed cont. relay an the other is just fuel pump relay ? The speed control one has a resistor in the electrical circuit . That is way your droping voltage .
Fuel Pump Electrical Circuit Diagnosis (VIN K)
Fuel Pump Electrical Circuit Diagnosis (VIN 1)

The PCM alters fuel pump speed by energizing the fuel pump speed control relay. Under normal conditions, the fuel pump speed control relay is energized. The applied voltage to the fuel pump is controlled by a resistor assembly. When higher fuel volume is required due to increased engine load, MAP sensor value over 90 kPa the PCM de-energizes the fuel pump speed control relay circuit. The increased voltage to the in-tank fuel pump allows a higher volume of fuel to be delivered to the fuel rail. The PCM also compensates for low system voltage by energizing the fuel pump speed control relay.

Have it check for codes !
Did DTC P0230 or DTC 1260 set?
--
Go to DTC P0230 Fuel Pump Relay Control Circuit or DTC P1260 Fuel Pump Speed Relay Control Circuit
Go to Step 3

May 05, 2017 | Buick Regal Cars & Trucks

1 Answer

Chevy Silverado 2002 2500 shows trouble code, P0230, and P0300


P0230 - Fuel Pump Primary Circuit Malfunction Symptoms - Engine Light ON (or Service Engine Soon Warning Light) Possible causes - Blown Fuel Pump fuse
- Open Fuel Pump Monitor Circuit
- Faulty Fuel Pump Relay
- Damaged ECM. P0230 Description The Engine Control Module (ECM) provides ignition positive voltage to the coil side of the fuel pump relay. When the ignition switch is first turned ON, the ECM energizes the fuel pump relay, which applies power to the fuel pump. The ECM enables the fuel pump relay as long as the engine is cranking or running, and crankshaft reference pulses are received. If no crankshaft reference pulses are received, the ECM de-energizes the fuel pump relay after 2 seconds. The ECM monitors the voltage on the fuel pump relay control circuit.
Please go to this LINK for P0300 diagnosis.

Feb 16, 2012 | Cars & Trucks

1 Answer

Kia 03 Spectra fuel OBD code P0230 primary circuit failure. Relay does not pick up Fuse is good. No spark on the ignition - relay does not pick up fuse is good. What is in the primary circuit and where...


Unfortunately there are no mechanical fixes available because that trouble code indicates a malfunction somewhere in the electrical circuit for the fuel pump and that would include wiring from the battery to the pump, the fuel pump control module and the and the car's brain, the ECM. It can be a loose connection, but if one is not easily found, then the problem has to be tested with special electrical testing equipment. More information is available but I can't post an illustration of the troubleshooting for this Diagnostic Trouble Code.

There is, however, an illustration that describes that troubleshooting at this location currently:
http://www.iwsti.com/forums/2-5-liter-litre-factory-motor/145319-p0230-fuel-pump-primary-circuit-malfunction-2.html

Jan 03, 2011 | 2003 Kia Spectra

1 Answer

Have a p0230 code that keeps reappearing on my 2000 chevy silverado 4x4. any ideas?


Its the fuel pump relay circuit, could be wiring,relay' or pcm put a relay in cheapest & easiest, key up truck & listen for click to locate pump relay should be in under hood fuse box

Sep 08, 2009 | 2000 Chevrolet Silverado 1500

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