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914World.com _ 914World Garage _ Engine stumble at 3,000 RPM

Posted by: Alfieg23 Feb 16 2014, 07:37 AM

I am the new owner of a 1972 914 with a 1.8L engine and L-Jetronic fuel injection. The car runs but begins to stumble when I reach 3,000 RPMs. Where should I begin looking for the cause? Thanks in advance for any assistance.

Posted by: bulitt Feb 16 2014, 08:05 AM

Start with the basics-
Spark plug gap
Timing
Fuel Filter
Condition of the plug wires
Clean your grounds

Posted by: timothy_nd28 Feb 16 2014, 08:08 AM

Fuel and timing is where I would start.

Posted by: timothy_nd28 Feb 16 2014, 04:59 PM

Can you duplicate the stumbling while revving the engine when the car is in neutral, or is this only happen when driving?

Posted by: dangrouche Feb 16 2014, 06:12 PM

we all talk about the basics, but the trigger points need to be checked as well