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Registered
Join Date: Jul 2003
Location: Latrobe, PA
Posts: 108
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Turbo boost gauge going crazy
My 1986 930 OEM boost gauge suddenly started going crazy. Jumps all over the place. Turbo is working properly, AFR gauge normal. Any clues what might cause this?
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Joe 1986 Black on black 930 Kokeln IC/ 1 bar spring/European Fuel Head GHL Exhaust Dual Exhaust, Wevo shifter and coupler 935 Front Air Dam, Forgeline wheels |
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09-28-2017, 02:18 PM
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Administrator
Join Date: Aug 2016
Location: Los Angeles, CA
Posts: 6,087
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Hi Joe - take a look at the link below to earlier threads that discuss this issue. Hope you find it helpful.
930 boost gauge problem Need a little help with boost gauge |
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09-28-2017, 02:51 PM
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Registered
Join Date: Jul 2008
Location: Central Washington State
Posts: 4,396
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Those are good articles. At the very least check the hot and ground connection to the sending unit back on the engine (orange or faded red) rubber covered thing beneath the IC
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Mark H. 1987 930, GP White, Wevo shifter, Borla exhaust, B&B intercooler, stock 3LDZ. |
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09-28-2017, 05:16 PM
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Registered
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If you have a nil connection, the gauge is pegged. So an intermittent bad connection will give you everything in between.
Alan
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83 SC, 82 930 (track) - Stock except for RarlyL8 race headers, RarlyL8 Zork, K27-7006, 22/28 T bars, 007 Fuel head, short 3&4 gears, NGK AFR, Greddy EBC (on the slippery slope), Wevo engine mounts, ERP rear camber adjust and mono balls, Tarret front monoball camber adjust, Elgin cams, 38mm ported heads, 964 IC. 380rwhp @ 0.8bar Apart from above, bone stock:-) |
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09-28-2017, 11:45 PM
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