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914World.com _ 914World Garage _ Another FI issue

Posted by: 914coop Jun 19 2011, 07:38 PM

Need more help.

I have a 76 2.0 d-jet.

Engine runs fine when first started, after it warns up it starts surging (Jerking) around 3500 rpm's. What I have done so far.

- Adjusted valves
- Replace Fuel Pressure Regulator
- Disconnected TPS, Problem still exists when disconnected.

Idles nice at 900 rpm's

Any ideas on what else to check?

Thanks Irv.

Posted by: Jeff Bowlsby Jun 19 2011, 08:54 PM

Is that jerking at 3500 rpm while then car is stationery or while going down the road. If while driving, its probably a worn out TPS.

Posted by: 76-914 Jun 19 2011, 09:15 PM

And can you pass thru 3500rpm; if so does it smooth out?

Posted by: 914coop Jun 19 2011, 10:21 PM

It does not seem to smooth out, Although I have not really spent much time pushing it past the point of surging. I will give it a good try tomorrow.

Posted by: underthetire Jun 20 2011, 08:44 AM

Check the mechanical advance on the distributor.