Question about 1994 Volkswagen Jetta

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94 jetta fuel pump wont work

Turns over fuel puymp wont click on relays good no power to fuel pump help me

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  • Anonymous Mar 15, 2009

    my fuel pump dont work at all times

  • Anonymous Mar 26, 2014

    fuse and relay are good

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Check your ecm relay I had one go goofy on my 1994 Passat it controls power to the ecm modual the car will turn over but will not start it should read 109 on the top of the relay I replaced it in my passat and it fired right up and I havent had a problem since

Posted on Feb 14, 2009

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Truck wont start


If you have no fuel pressure at the engine when key is on, the pump is not coming on. Check fuel pump fuse, check fuel pump relay (relay should click when key turned to on-put finger lightly on it and feel for click when someone turns key to on). If no click, signal from computer may be lost, ground for relay may be lost, or relay may be bad. If it clicks, wiring from relay to pump may have failed, or the relay's main power source may not be there at relay-find the fuse link or maxi-fuse that powers that relay. One terminal at relay should be hot at all times-can check for that with a test light.
If pump is working and you do have fuel pressure, you will need to check injector circuit. Post back if questions, or need further help.

May 25, 2013 | 1992 Dodge Dakota

2 Answers

1993 rodeo not running no power to fuel pump


if there is no power to the fuel pump check relays and fuses....UNDERHOOD FUSE & RELAY PANEL IDENTIFICATION Fig. 2: Underhood Fuse & Relay Panel Identification Courtesy of ISUZU MOTOR CO. Fusible Link Identification ? A - 80 Amp (1991-92 3.1L) ? A - 60 Amp Main-1 ? B - 30 Amp Main-2 ? C - 30 Amp (1993-94) ECM (3.2L) ? D - 30 Amp Condenser Fan (A/T Models) Relay Identification ? 1 - Headlight Relay ? 2 - A/C - Heater Relay ? 3 - Starter Relay ? 4 - A/C Compressor Relay ? 5 - Charge Relay ? 6 - Fuel Pump Relay ? 7 - ECM Relay ? 8 - Wiper Relay Fuse & Circuit Breaker Identification ? 1 - 15 Amp (1991) ECM, Fuel Injection System ? 1 - 15 Amp (1992-94 2.6L) ECM, Fuel Injection System ? 1 - 10 Amp (1992-94 3.1 & 3.2L) Heated Oxygen Sensor, Fuel Injection System ? 2 - 20 Amp (1991-92) Fuel Pump ? 2 - 20 Amp (1993-94 2.6L) Fuel Pump ? 2 - 15 Amp (1993-94 3.2L) Fuel Pump ? 3 - 10 Amp (1991) ? 3 - 15 Amp (1992-94) Turn Signal Lights, Hazard Warning Flasher Lights ? 4 - 10 Amp Horn, Door Locks ? 5 - Not Used (1991 3.1L) ? 5 - 10 Amp Charging System, Charge Warning Light WARNING: Always disconnect battery ground cable before servicing "high- current fuses. It is recommended that "high-current" fuses be replaced by a qualified technician. Page 1 of 2 FUSES & CIRCUIT BREAKERS -1994 Isuzu Rodeo LS? 6 - Not Used (1991) (1992-93 2.6L) ? 6 - 10 Amp (1992-94 3.1L & 3.2L) A/T Interlock System ? 6 - 10 Amp (1994 2.6L) Heated Oxygen Sensor, Fuel Injection System ? 7 - 20 Amp Heater/Air Conditioning Blower Controls ? 8 - 10 Amp Air Conditioner Compressor Controls ? 9 - 10 Amp Right Headlight ? 10 - 10 Amp Left Headlight © 2008 Mitchell Repair Information Co., LLC.
62217_isuzfuse_1.jpg
Underhood fuse block swap out relay #7 thats the ECM relay.
Ground Circuits Using a DVOM, touch negative voltmeter lead to a good ground. Touch positive voltmeter lead to each ground terminal. With vehicle running, voltmeter should indicate less than one volt. If reading is greater than one volt, check for open, corrosion and loose connection on ground lead. See ECM GROUND LOCATION table for ECM ground location.
Page 1 of 1 SYSTEM/COMPONENT TESTS - 2.6L EFI -1994 Isuzu Rodeo

Mar 28, 2010 | 1993 Isuzu Rodeo

1 Answer

94 jetta, starter turns engine over, will not start


check timming belt and it it is not turning this is your problem and if so this is zero clearence motor so there is also probley more dammage done to the motor

Mar 03, 2010 | 1994 Volkswagen Jetta

2 Answers

What would make the fuel pump not work on a 94


Fuse , relay , fuel pump , check these in that order.

Good Luck !

Feb 21, 2010 | 1994 Oldsmobile Bravada

2 Answers

My 92 jetta fuel does not always go on.. when i turn the key the buzz of the fuel pump does not go on. i by passed the relay it goes on i don't know what it could be. some-one told me it could be a ground


If you bypassed the relay and the pump ran, have you checked the relay is getting power, if it is then is then does the relay need replacing? if the relay clicks but there's no power on the output terminals has a fuse gone?

Jan 06, 2010 | 1992 Volkswagen Jetta

1 Answer

1988 vw Jetta power to fuel injector


If the fuel pump has power it may be a bad ground clean the plugs contact with electric contact cleaner it comes in a spray can. spray the inside of the plug and plug it on several times to rub off any corrosion on the plug and its contacts. By the way if the pump has power to it the relay is working when you turn the key one you can hear the fuel pump relay click.

Oct 05, 2009 | 1988 Volkswagen Cabriolet

2 Answers

2002 Jetta TDI wont start, Battery is good, turns over it seems like no fuel is being pumped wont fire. glow plugs changed 10k km ago. alternator is good, timing belt is good its not ripped when the...


If you're car has been running fine, then suddenly won't start, the cause is frequently that the fuel pump cutoff has been tripped. Open your trunk, and look for a label for a fuel pump cutoff switch. Locate the switch, press it in, and see if the engine will start.

Jul 05, 2009 | 2002 Volkswagen Jetta TDI

1 Answer

94 concorde


change crank sensor? if so replace control module (ignition module)

Jul 04, 2009 | 1994 Chrysler Concorde

1 Answer

No power to fuel pump...no start


hi have had this problem once on mates jetta with exact symptoms? can you explain please what you do when you bridge the relay and pump ?works does engine then start? or did you not proceed that far? just for info the fault i found was a loose soldered connection on a terminal on rear of fuse/ relay box which gave intermittant fault but fresh connection and new wire cured it? so try checking relay socket/wires? it was an auto sparks mate that gave me the info and said common occurance on jettas back then hope this helps ?

Oct 25, 2008 | 1994 Volkswagen Jetta

1 Answer

94 Sundance


you know the relay works, you checked it, make sure you have power going to the relay and power at the pump

Aug 21, 2008 | 1994 Plymouth Sundance

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