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fuel pumps

 
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neil1275  



Joined: 27 Mar 2011
Posts: 3
Location: bangor,n.i.

PostPosted: Fri Apr 01, 2011 6:21 pm    Post subject: fuel pumps Reply with quote

hi everyone having probs with the fueling in my 924 2ltr its gettin fuel to the 1st 2 cylinders (as you stand in front of the engine) but the the back to have no pressure at all, ive checked that both pump power up when i connected a battery straight to them but havnt check them on turn over yet, anyone got any ideas whats up with it?
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needin help to get my 924 on the road planning on taking it to the nurburgring at the end of may.
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Harm  



Joined: 02 Apr 2009
Posts: 1376
Location: Holland

PostPosted: Fri Apr 01, 2011 6:54 pm    Post subject: Re: fuel pumps Reply with quote

Clogged injectors could be the reason it's not getting the adequate amount of fuel.
Switch injectors one and two into three and four and vice versa, see if the amounts change.
Ultrasonic cleaning clogged injectors is advisable.

Did you check your fuel pressure / WUR with a CIS tester?
…you should. Although it wouldn't explain the difference in fuel amounts per injector.

Regards, Harm.
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Porsche 924 NA 1982 LY7A/A3A3 _ Greater driving pleasure never harmed anyone.
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fiat22turbo  



Joined: 18 Jan 2006
Posts: 4040
Location: Portland, OR

PostPosted: Sat Apr 02, 2011 3:31 am    Post subject: Reply with quote

Considering the fuel distributor provides pressure to all of the injectors at once, I'd say the injectors are plugged or the fuel distributor is plugged somehow.
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Stefan
1979 924 Carrera GTS (clone-ish)
1988 944 Turbo S (Silver Rose)
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D Hook  



Joined: 02 Nov 2002
Posts: 3158
Location: Omaha, NE

PostPosted: Sat Apr 02, 2011 11:06 am    Post subject: Re: fuel pumps Reply with quote

neil1275 wrote:
hi everyone having probs with the fueling in my 924 2ltr its gettin fuel to the 1st 2 cylinders (as you stand in front of the engine) but the the back to have no pressure at all, ive checked that both pump power up when i connected a battery straight to them but havnt check them on turn over yet, anyone got any ideas whats up with it?


What year is the car?
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'80 924 n/a SOLD
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neil1275  



Joined: 27 Mar 2011
Posts: 3
Location: bangor,n.i.

PostPosted: Sat Apr 02, 2011 10:49 pm    Post subject: Reply with quote

its 82, the fuel isnt getting to 2 cylinders from the distribution bit 2 are pressurised 2 arnt
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