Question about 1996 Volkswagen Jetta
I have checked the signal at the fuel pump relay. Sometimes it is not there (then the car wont start). Where does this signal originate from?
The hall sender in the distributor through a taco-metric fuel pump relay
Posted on Mar 02, 2019
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Posted on Jan 02, 2017
SOURCE: Fuel Pump Relay
Obviously, you can jump the relay but it is dangerous on an extended basis. You'd have pressure in the lines when you don't want it there. Replace the relay if it is defective.
If you have other issues, you can check the pump back to the tank by going on the business end of the relay and looking for resistance at the pump to ground. If it is open, the pump or the harness is bad...GMs have harness issues...not Fords.
Posted on Jul 24, 2008
SOURCE: 94 jetta fuel pump wont work
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
Check your fuel pressure to ensure proper pressure to the block, also did you replace the fuel filter.
On a side note: 3 things a automobile needs to run
AIR-make sure you have a clean air filter and your MAF (mass air flow sensor is plugged in) if you pulled your breather to innspect anything, there is a possibility that it came unplugged or you unpluged it and forgot to hook it back up, a car wont start without it being plugged in if equiped
SPARK-Make sure your car has juice to the plugs, if the plug doesnt fire the car wont run, if you have to pull each plug and ground them to the engine block to see if they arch. If not trace the problem down (if you changed the fuel pump you have some mechanical skill and should be able to troubleshoot a spark issue)
FUEL-Check for proper pressure, dirty fuel filter(s) and if your system has a return line, make sure your hoses didnt get crossed cause this will damage the engine and regulator.
Hope this helps Thanks for using Fixya.com
Posted on Jan 22, 2010
I pulled my switch out of the dash and sprayed it with contact cleaner. Air dry and put back in. 2 years without a problem. If you're not electrical savy, I'm pretty sure there was a recall on that, and it should be replaced for free.
Posted on Mar 02, 2010
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