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Porsche 928 Questions Maintenance & Repair

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subgroupprez
0

1985 928 Porsche Starts And Runs But....

My 1985 Porsche starts and runs great sitting at idle. However, when I get in and drive it dies as soon as I take my foot off the gas. It has an air slide valve but no air idle control valve that ...

9 views with 1 answer (last answer about a week ago)
icecube74
0

How To Bleed The Clutch Of 1984 928s Porsche To

clutch pedal going to floor with little pressure. where do I bleed the system

12 views with 1 answer (last answer about a week ago)
MTA1968
70

I Need Help With Timing Mark On My 1986 Porshe 928s 5.0

Im checking my timing marks on my 86 928s porshe 5.0.removed number 1 plug stuffed a rag in it tapped the motor till it popped..checked my cam marks, both cam marks are on the mark but my crank ma...

134 views with 32 answers (last answer 4 weeks ago)
MTA1968
70

I Recently Checked My Timing Marks On Car And On Book, Looks Totally Off..

I checked my timing marks, looks different than book..the 2 inside marks on cam sprocket are they the timing marks...because the book shows the 2 marks are in between the cam cap cover, and there ...

wkbarber
0

What Drains 1988 - 928s4 Battery While Parked In Winter?

My 1988 928S4 stays parked for two weeks at a time with no one to start it. This is OK in summer but in winter the battery goes dead after three or four days. Battery is relatively new and nothing is...

111 views with 14 answers (last answer 3 months ago)
PeterK123
0

1988 928 Porsche Runs Well 20 Seconds Then Loses Cylinders On Both Banks

fuel pressure 60lbs ideal up to 70 new regulator plugs wires

mycasamontes
0

Got The Same Problem With My 84 928, Starts When It It Wants To. Loose All ...

car has no pwer to fuel pump or head lights, some times it starts, runs for a while fine, than wont dtart at all

103 views with 2 answers (last answer 4 months ago)
xmacro
0

Car Stalls With Clutch In And In Gear At Idle

The car stalls, but only in specific instances: - When I'm coming to a stop, I push in the clutch and keep the car in gear while coming to a stop - the rpm's dip WAY down; sometimes the car stalls, ...

220 views with 3 answers (last answer 11 months ago)
agambitta
0

1986 928 Erratic Idle And Performance, What Are Some Things Things To Check...

My 928 is stalling, and driving bad. It has 108K miles and in good shape. The relays were replaced.

225 views with 4 answers (last answer 11 months ago)
agambitta
0

1986 Porsche 928s Idles Erratic After Few Minutes And Bad Performance

My 1986 928S was just brought over from Colorado to Florida. The PPI was good, the seller said it was running great in COLORADO. It starts ok, but after a few minutes it start to idle erratic and almo...

294 views with 8 answers (last answer 6 months ago)
Stumpf20
0

My 1985 928 Hesitates Between 1800 And 2200 Rpm Then Takes Off.

Car hesitates on takeoff. Around 1800 rpms. Idles fine.

405 views with 24 answers (last answer 4 months ago)
Chris Thomas
0

1988 Porche 928 S4 Will Not Run.

Have replaced fuel pump and relay still will not start. I can hot wire pump and hear it run but do not get any fuel. Can remove fuel supply line to pump and fuel runs out.

253 views with 3 answers (last answer about a year ago)
emery65038
0

What Are The Best Replacement Wiper Blades For Our Vehicles?

I am in need of new wiper blades, does anyone have any suggestions?

217 views with 1 answer (last answer about a year ago)
928blues
0

1980 Porsche 928 Won't Start?

I have a 1980 Porsche 928 and can't get the car to start. I have replaced the fuel pump, cleaned and reinstalled the fuel injectors and replaced the injector hoses with new ones. I also have replaced ...

913 views with 2 answers (last answer about a year ago)
Kyle Carissimi
55

'84 Porsche 928s Clutch Problems

Hello, I recently purchased a 1984 928S 5 speed. A few days ago, what I believe to be the throwout bearing started to make a rattling noise when I pushed the clutch pedal. When I drove it today it be...

1,620 views with 14 answers (last answer about a year ago)
captahab
0

Rough Idling

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 va...

406 views with 1 answer (last answer about a year ago)
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