rough idling

captahab
0

Asked by captahab Jun 28, 2011 at 01:39 PM about the 1986 Porsche 928

Question type: Maintenance & Repair

I hve a 86 928 that has 99981 miles on it has run like a charm for 10 yrs with minor maintanence now all of a sudden its idling erraticly thrusting fron low to high rpms I tried adjusting the knock valve did,nt help i use high octain but because gas prices am using a cheaper gas,but still high octain I,m about install a new fuel filter if that does,nt work next will be a fuel pump,unless some one has a better and cheaper suggestion?

1 Answer

Chris Folsom
135

Start with the basics: Tune up, compression check, fuel pressure test diagnostic codes

Your Answer

Add photo

Related Questions

Search Porsche 928 Questions

Porsche 928 Experts

#1 MTA1968
MTA1968
Reputation 100
#2 Tom Demyan
Tom Demyan
Reputation 80
#3 Smitty22
Smitty22
Reputation 60
View All

Related Models For Sale

Used Porsche 911"
122 Great Deals out of 3,193 listings starting at $12,995
Used Porsche 944"
62 listings
Used Ford Mustang"
1,072 Great Deals out of 23,464 listings starting at $950
Used Porsche 924"
11 listings
Used Chevrolet Corvette"
391 Great Deals out of 9,814 listings starting at $3,500
Used Porsche 930"
3 listings
Used BMW M3"
82 Great Deals out of 1,334 listings starting at $3,288

Used Cars For Sale