In 1991 the Porsche 928 had several under-the-hood changes that were implemented. These included improvements to the cooling of the cylinder heads, a power steering pump and rack, greater soundproofing, and the temperature sensors for the ignition circuit monitoring system were moved from cylinders four and eight to three and seven to improve their efficiency. Due to California regulatory demands a check engine warning light was added to all US models, while the previously optional air bag(s) in European LHD and RHD models became standard. Inside the vehicle a newly styled shifter knob wrapped in leather made for a more comfortable and stylish experience.
See Porsche Diagnostics for:
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Porsche Overview
Enthusiast Package
These packages are designed for the Porsche enthusiast that works on their own car. It offers all of the great features of our professional kit, but will only work on up to 3 cars (managed by VIN).
1989-1995 Porsche 928
$347
This kit also supports Porsche Boxster (986 and 987), Carrera 911 (996 and 997), Cayman, Cayenne, and/or 1996-1998 Porsche 993.
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