Badly running 930 1983 turbo

[Davea930]

Guys , a little help needed

After being laid up for 3 months , car is running badly

1. running rich
2. will not pull past 2 to 3 thosand rev's under load , but will rev when there is no load

If you push accelerator just loses power slowly

Can anyone point me in the right direction and things to start checking in logical order ( seems that if i send to workshop - just seem to spend vast amount of cash !!!)

Also gearchange is very loose , assume that needs rebushing - any recommendations

[9dreizig]

1) spark
2) A/F

[David]

3) intake restriction
4) exhaust restriction (do you still have a cat?)

[930gt-40r]

WUR ruled out?

[David]

6) fuel pump

[9dreizig]

Originally Posted by 125shifter

6) fuel pump

while running rich ?? Help me on the logic of that ....seems counterintuitive

[DonE]

Check fuel pressure at the WUR. It regulates the amount of fuel to the injectors and for whatever the reason, its dumping too much.

[David]

Originally Posted by 9dreizig

while running rich ?? Help me on the logic of that ....seems counterintuitive

You got me there, I was just trying keep the number thing going .

It does sound like the WUR the way it's rich and won't rev.

[RarlyL8]

After being laid up for 3 months , car is running badly

I assume it was running well before it sat for 3 months.
CIS does not like to sit. The fuel head piston may be hanging up.

I would start by cleaning the entire fuel system and get rid of the old gasoline.
After that check your pressures.
If fuel system is good move to spark.
If spark is good look for mechanical or physical issues.

[Davea930]

Thanks Guys , appreciate the pointers , I will start working thru the options ,

Cheers Dave

[9dreizig]

Originally Posted by 125shifter

You got me there, I was just trying keep the number thing going .

It does sound like the WUR the way it's rich and won't rev.

Texans, gotta watch you guys all the time LOL

[Rory Mckenna]

WHat is the best way to clean a fuel system?