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Registered
Join Date: Jul 2008
Location: Austin, Texas
Posts: 12
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'88 will not idle and will not rev
Attempting to get my '88 S4 back on the road after 2 plus years in garage with no start problem.
Work so far: Drain and clean tank and lines New fuel pump, filter, strainer and sender Rebuilt injectors and replaced rotted vacuum connections Car now starts but will not idle. Giving it some throttle it likes 1,400 RPMs, smooth no misses, but go higher and it starts running rough and missing. Take foot off the gas and it dies. What are next troubleshooting steps I should take? Have fresh plugs to go in and will check fuel pressure regulators and vacuum check with Mitivac. TIA |
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10-15-2023, 07:15 PM
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Registered
Join Date: Jul 2008
Location: Austin, Texas
Posts: 12
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As an update, Roger at 928rus is taking care of me, sending a loaner LH brain, a reman MAF and injectors. Many thanks to him for being there for me and the 928 community.
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10-17-2023, 10:21 AM
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Administrator
Join Date: Feb 2022
Posts: 1,444
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Best of luck with your 928! Let us know what the final solution was to get it back on the road!
-Matt |
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10-19-2023, 02:38 PM
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Petie3rd
Join Date: Jul 2000
Location: Philly PA
Posts: 4,528
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It sounds like you need a LH rebuilt part also send in the MAF and get it rebuilt
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^^^ Stan ^^^ 2019 BMW K1250 GS 2016 HD RK 1988 S4 Auto , Elfenbein Perlglanz, Pearl Gray 1982 5sp Met black and tan sport seats |
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11-27-2023, 02:44 PM
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Registered
Join Date: Sep 2005
Location: Ontario, Canada
Posts: 216
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Distributor cap, rotor and wires helped me immensely. Not a lot of dollars and you're already in this far!
I also had trouble years ago with valve cover gasket fail and oil present in the spark plug sleeve and wires were saturated at point of contact on the plugs. Not sure any of that might help... Mat
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'70 911T - my first - SOLD '83 928S - fast becoming the daily driver - SOLD '03 Ford Explorer Eddie Bauer - wife '03 Cadillac CTS - daily 1990 928 S4 |
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11-29-2023, 06:12 PM
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