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Diagram for fuel pump relay - 2009 Buick Lucerne

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Catera 2000 Catera wont start, acts like no gas, fuel pump not heard,


https://s10.postimg.org/3ufs1il6x/fuel_pump.jpg

Click on the link for fuel pump wiring, note the fuses. Use a gage and check fuel pressure.
Key on engine off, can you hear the fuel pump run for a few seconds? If not, have to check wiring circuits and fuses--grounds, possibly a fuel pump issue?
Engine cranking do you have spark at the plugs, I'm just trying to decide if more than one issue? Any applicable trouble codes?

Jun 24, 2017 | Cars & Trucks

1 Answer

If I've switched the relays, ASD and BCM and jumped the fuel pump relay as suggested what would be next. The fuel pump still stops receiving power after about five minutes


I backtracked your posts, found you have an 04 jeep? Don't know the model or engine size?
If you used jumper wire on load side of the relay, the pump should continue to run. The load side of relay, in a diagram, usually has a line with arrow-head, When relay is energized, that line moves to other terminal and carries voltage to fuel pump. When the fuel pump stops, did you check proper voltage and ground at the fuel pump. If you have both, then I suspect the fuel pump. By using jumper wire at fuel pump relay, on proper two terminals, your basically bypassing the relay. You probably don't even need to use the key, to run the pump. For the diagram, I need more info.

Oct 04, 2016 | Cars & Trucks

1 Answer

WIRING DIAGRAMS FOR 2003 GMC ENVOY SLE,FUEL PUMP CIRCUIT


Go to http://bbbind.com/free_tsb.html free wiring diagrams ! Enter vehicle info. Then click on engine under systems , then fuel controls under subsystem . There you will find fuel pump electrical circuit diagram ! Here is a testing GM fuel system video ! GM Fuel Pump Relay Testing

Sep 21, 2016 | GMC Cars & Trucks

1 Answer

WHERE IS THE FUEL PUMP DRIVER MODULE ON A 1997 LINCOLN TOWN CAR LOCATED--- NOT THE FUEL PUMP RELAY


No driver module shown on the wiring diagram for 89-98 models.
There is an EEC relay that powers the fuel pump relay. The fuel pump relay is grounded by the PCM. The voltage goes from the fuel pump relay thru the inertia switch and on to the pump.

Aug 24, 2012 | 1997 Lincoln Town Car

1 Answer

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

I need a wiring diagram for a 1998 Chevy Blazer fuel pump


The fuel pump assembly consists of fuel pump relay,fuel sensor,the fuel pump controlling fuse,its ECM B fuse. The fuel pump and oil pressure switch. ----------- For its wiring diagram, click the link below and refer the diagram:--- http://technoanswers.blogspot.com/2011/10/fuel-pump-wiring-diagram-for-1998-chevy.html ----------- This should help.Thanks.Helpmech.

Oct 06, 2011 | 1998 Chevrolet Blazer

2 Answers

Where located fuel sensor Suzuki Ario 2003


Component location diagrams for most 2003 Suzuki Aerio cars and light trucks sold in the U.S. from 1990+.
clsk2003aeri003.gifIgnition System Components Location Diagram for 2003 Suzuki Aerio 2.0 L4 GAS
Components on diagram:
  • TP Sensor
  • Ignition Coil
  • ECM
  • MAF Sensor
  • CMP Sensor
  • clsk2003aeri007.gifElectronic Shift Control System Components Location Diagram for 2003 Suzuki Aerio 2.0 L4 GAS
    Components on diagram:
  • Data Link Connector
  • Transmission Range Sensor
  • Throttle Position Sensor
  • Pressure Control Solenoid Valve
  • Battery
  • clsk2003aeri010.gifInstrument Panel For Connector Layout Diagram Diagram for 2003 Suzuki Aerio SX 2.0 L4 GAS
    Components on diagram:
  • Clutch Switch
  • Thermistor
  • Brake Light Switch
  • Blower Motor Relay
  • Heater Fan Motor
  • clsk2003aeri011.gifInstrument Panel Harness Diagram for 2003 Suzuki Aerio SX 2.0 L4 GAS
    Components on diagram:
  • Wiper Switch
  • Washer Switch
  • Data Link Connector
  • Turn Signal Relay
  • Radio
  • clsk2003aeri015.gifHeadlight System Location Diagram for 2003 Suzuki Aerio SX 2.0 L4 GAS
    Components on diagram:
  • Headlight Relay
  • Headlight
  • Clearance Light
  • Headlight Diode
  • Clearance Light Relay
  • clsk2003aeri022.gifFuel System Components Diagram for 2003 Suzuki Aerio SX 2.0 L4 GAS
    Components on diagram:
  • Fuel Pump Relay
  • Fuel Tank Pressure Sensor
  • EVAP Canister
  • Fuel Tank Pressure Control Valve
  • Fuel Filler Cap
  • clsk2003aeri027.gifFloor For Single Unit Parts Diagram for 2003 Suzuki Aerio 2.0 L4 GAS
    Components on diagram:
  • Wheel Speed Sensor
  • ABS Control Module
  • G Sensor
  • Air Bag Control Module
  • EVAP Canister Vent Valve
  • clsk2003aeri030.gifInstrument Panel For Ground Point Diagram for 2003 Suzuki Aerio SX 2.0 L4 GAS
    Components on diagram:
  • Instrument Panel Ground Points
  • clsk2003aeri036.gifEngine Compartment For Single Unit Parts Diagram for 2003 Suzuki Aerio 2.0 L4 GAS
    Components on diagram:
  • Throttle Position Sensor
  • Horn Relay
  • Radiator Fan Control Relay
  • Cruise Control Module
  • Condenser Fan Relay
  • clsk2003aeri037.gifEngine Compartment Components Diagram for 2003 Suzuki Aerio SX 2.0 L4 GAS
    Components on diagram:
  • MAP Sensor
  • Knock Sensor
  • Noise Suppressor
  • Heated Oxygen Sensor
  • Sep 18, 2011 | 2003 Suzuki Aerio

    1 Answer

    WHERE IS THE FUEL PUMP RELAY LOCATED! I CHANGED THE FUEL PUMP AND FUEL FILTER BUT I CAN NOT FIND THE RELAY 1988 ELDORADO. I AM NOT GETTING ANY FUEL IN TO THE CARB


    Am working on the same problem. Have narrowed it down to a couple of things. The primer curcuit on my '88 is not work off the computer it will not prime the fuel system. Have found away around that by putting in a new relay off the starter line. The main problem though is that the check valve in the fuel pump is shot and allows all the fuel to drain back into the tank. It takes too much time to get the fuel preasure up if the fuel system is completely empty. Am going to replace the fuel pump and see what happens. The fuel pump relay is located under the glove box, have not found diagram map of the relays there, there are 10 there. If you need a wiring diagram for your car, go to autozone, can print off a wiring diagram there. Good luck.

    Sep 04, 2011 | 1988 Cadillac Eldorado

    2 Answers

    Fuel pump not getting power 1985 928s porsche


    chck out this site, it has free diagrams etc in pdf format:-
    http://www.onlinefreeebooks.net/automotive-machinery-power-equipment-ebooks/porsche/wiring-diagram-porsche-type-928-s-model-89-pdf.html

    Your problem can also be with the Bosch ECU, these are prone to failing and also control the fuel pump, they can however be rebuilt.

    Jan 04, 2009 | 1989 Porsche 928

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