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Registered
Join Date: Oct 2001
Location: San Carlos, CA US
Posts: 5,549
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fuel pressure test 91 turbo
Forgive me for some rudimentary questions, this is my first rodeo with a 91 Turbo
I have some starting problem when cold. The car does not like to start and idle at all. I removed the intercooler and the air box, hooked up the CIS pressure tester, turned the key on and found. 1. There is no connection to the coldstart valve. 2. There is no fuel pressure at the Wur Is there a cold start circuit with a 91 turbo CIS? Does the key work for testing? Or, do I have to jump a relay someplace to keep the pump going for a test? M
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Porsche 2005 GT3, 2006 997S with bore-scoring Exotic: Ferrari F360F1 TDF, Ferrari 328 GTS Disposable Car: BMW 530xiT, 2008 Mini Cooper S Two-wheel art: Ducati 907IE, Ducati 851 |
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04-03-2016, 11:36 AM
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Registered
Join Date: Oct 2001
Location: San Carlos, CA US
Posts: 5,549
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Correction.
THe missing connector is actually for a Frequency valve which probably does not exist on the Turbo. I jumped the relay and the System pressure is 95psi which is good. The cold controlled pressure is only 37 psi (2.4 bars) which seems low for a turbo, It should be 2.8 bars
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Porsche 2005 GT3, 2006 997S with bore-scoring Exotic: Ferrari F360F1 TDF, Ferrari 328 GTS Disposable Car: BMW 530xiT, 2008 Mini Cooper S Two-wheel art: Ducati 907IE, Ducati 851 |
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04-03-2016, 12:14 PM
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