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Registered User
Join Date: Oct 2016
Posts: 8
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911 motronic
I have a few problems with my street/race car.
1. Surging at Idel. ( What to do?) 2. Miss at @ 5 to 6K rpm., ECU check out good, fuel is the question.. have very good flow Back to the ATL fuel cell ? I will check the fuel pressure. Vac lines are all connected. ( how should the regulators react to vaccum ? higher pressure when low Vac?) |
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10-21-2016, 08:25 AM
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Member 911 Anonymous
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1st thing what Year?
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'85 Carrera Targa Factory Marble Grey/Black * Turbo Tail * 930 Steering Wheel* Sport Seats * 17" Fuchs (r) * 3.4 * 964 Cams * 915 * LSD * Factory SS * Turbo Tie Rods * Bilsteins * Euro Pre-Muff * SW Chip on 4K DME * NGK * Sienes GSK * Targa Body Brace PCA/POC |
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10-21-2016, 09:16 AM
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Registered User
Join Date: Oct 2016
Posts: 8
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1984, 3.2l
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10-21-2016, 11:12 AM
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Registered User
Join Date: Oct 2016
Posts: 8
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gtg,
be back tomorrow. many thanks... |
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10-21-2016, 11:43 AM
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Member 911 Anonymous
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Make sure ICV is clean and OHM's out fine. Also make sure there are no vacuum leaks.
Many Many threads on this topic. BTW, Welcome aboard. As far as missing, make sure plugs are fully seat, you will be surprised sometimes they do wiggle loose.
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'85 Carrera Targa Factory Marble Grey/Black * Turbo Tail * 930 Steering Wheel* Sport Seats * 17" Fuchs (r) * 3.4 * 964 Cams * 915 * LSD * Factory SS * Turbo Tie Rods * Bilsteins * Euro Pre-Muff * SW Chip on 4K DME * NGK * Sienes GSK * Targa Body Brace PCA/POC |
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10-21-2016, 03:33 PM
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Registered User
Join Date: Oct 2016
Posts: 8
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Don't see any Vac leaks, The Plugs :-(
5 were just snug. 3 had the ends loose but had dielectric grease on them. Bosch 4477 plantinium +4 , old plugs, are they still a ' good choice? Installed some new wires, The ICU is newer, but I'll check. What is your opinion on Authority? I had a chip and MAF on my car for 6 years, worked great, more power all around, after a year sitting, would not work, very confused.... I had the ECU checked, all good and both the Auth chip and the 911chip tested both good. Still did not work... I reinstalled the old AFM and I am back racing, but slower.... |
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10-24-2016, 05:36 AM
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Registered
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Quote:
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Henri '87 Carrera coupe: Venetian blue |
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10-24-2016, 06:16 AM
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Chain fence eating turbo
Join Date: Dec 2008
Location: Austin, TX
Posts: 9,141
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Ditch those Bosch platinums!
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10-24-2016, 07:28 AM
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Member 911 Anonymous
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+1 use standard copper plugs, bosch or ngk
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'85 Carrera Targa Factory Marble Grey/Black * Turbo Tail * 930 Steering Wheel* Sport Seats * 17" Fuchs (r) * 3.4 * 964 Cams * 915 * LSD * Factory SS * Turbo Tie Rods * Bilsteins * Euro Pre-Muff * SW Chip on 4K DME * NGK * Sienes GSK * Targa Body Brace PCA/POC |
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10-24-2016, 07:53 AM
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Registered
Join Date: May 2002
Location: St Louis
Posts: 4,211
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Have you had the injectors flow tested and cleaned?
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Rick 88 Cab |
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10-24-2016, 08:16 AM
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Registered
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Techron
Go to Pepboys and buy real Techron. Follow instructions warm up and go for a drive. I bet it helps. Easy things first!!!!
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10-24-2016, 10:03 AM
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Registered User
Join Date: Oct 2016
Posts: 8
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Quote:
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10-24-2016, 12:39 PM
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Registered User
Join Date: Oct 2016
Posts: 8
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Have some Techron on the shelf,
Bosch STD copper+1 are going in..... |
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10-24-2016, 12:42 PM
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Registered User
Join Date: Oct 2016
Posts: 8
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ICV is half way closed , key on, but it is pulsing to 3/4 closed then open
to 1/2 every second or so ? |
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10-24-2016, 12:51 PM
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Registered User
Join Date: Oct 2016
Posts: 8
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Which is acting the same as the old ICV I changed last year...
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10-24-2016, 12:58 PM
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Member 911 Anonymous
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ICV will need cleaning if too much oil is being sucked into the intake. Hw is your oil level after she is warmed up to 194F aka operating temps
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'85 Carrera Targa Factory Marble Grey/Black * Turbo Tail * 930 Steering Wheel* Sport Seats * 17" Fuchs (r) * 3.4 * 964 Cams * 915 * LSD * Factory SS * Turbo Tie Rods * Bilsteins * Euro Pre-Muff * SW Chip on 4K DME * NGK * Sienes GSK * Targa Body Brace PCA/POC |
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10-24-2016, 06:45 PM
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Marble Grey
1987 Porsche 911
Porsche 911 Carrera
