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#11
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Testing Fuel Pump Relay?
On Aug 8, 6:27 pm, "dave AKA vwdoc1" > wrote:
> "vwtopdown" > wrote in message > > snip > > > > > rockauto.com also has good prices on vw stuff. my 85 cabriolet main > > fuel pump died the other month and fried the relay. advance showed as > > being able to order but when i went in they said they couldn't get it. > > > mike > > Does your '85 Cabriolet have 2 fuel pumps? A transfer pump in the fuel tank > and a main pump to pressurize the system? > If the main pump went out it may have been due to a bad transfer pump. > > later, > dave > (One out of many daves) Yep, it's got the two pumps. the transfer pump was shot when i first bought it 8 years ago. the car would die in 18 minutes after starting really weird. When it died this past time i didn't think it was fuel related because when i jumped the relay i was hearing the pump run. well after looking around elsewere and pulled a injector to see if i was actually getting fuel ( i wasn't) i jumped the relay again then went to the rear of the car and realized i was hearing only the transfer pump and not the main one. replaced that and still had starting issues and realized the relay wasn't priming the system. replaced the relay and all is good again. Mike |
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#12
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Testing Fuel Pump Relay?
COOL!
So was 1985 the first year of the transfer pump going into the VWs? "vwtopdown" > wrote in message snip > > Yep, it's got the two pumps. the transfer pump was shot when i first > bought it 8 years ago. the car would die in 18 minutes after starting > really weird. When it died this past time i didn't think it was fuel > related because when i jumped the relay i was hearing the pump run. > well after looking around elsewere and pulled a injector to see if i > was actually getting fuel ( i wasn't) i jumped the relay again then > went to the rear of the car and realized i was hearing only the > transfer pump and not the main one. replaced that and still had > starting issues and realized the relay wasn't priming the system. > replaced the relay and all is good again. > > Mike > |
#13
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Testing Fuel Pump Relay?
as far as I know, yes.
nate dave AKA vwdoc1 wrote: > COOL! > So was 1985 the first year of the transfer pump going into the VWs? > > "vwtopdown" > wrote in message > > snip > > >>Yep, it's got the two pumps. the transfer pump was shot when i first >>bought it 8 years ago. the car would die in 18 minutes after starting >>really weird. When it died this past time i didn't think it was fuel >>related because when i jumped the relay i was hearing the pump run. >>well after looking around elsewere and pulled a injector to see if i >>was actually getting fuel ( i wasn't) i jumped the relay again then >>went to the rear of the car and realized i was hearing only the >>transfer pump and not the main one. replaced that and still had >>starting issues and realized the relay wasn't priming the system. >>replaced the relay and all is good again. >> >>Mike >> > > > -- replace "roosters" with "cox" to reply. http://members.cox.net/njnagel |
#14
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Testing Fuel Pump Relay?
relay works like this,
turn key on and pump runs for a few seconds when the relay "sees" a pulse from the coil it runs constantly from memory if you jump terminal 30 and 87 the pump will run all the time. and if 15 & 87 it will run with key on. Now you only do this for testing and shouldn't be left that way due to safety concerns. "Fred Mann" > wrote in message ... > Is there a way to test the fuel pump relay for the 83 Rabit GTI? They're > kinda expensive. The part number is 433 906 059 . > Thanks, > Fred > > |
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