Tipo 1.6 problem

It could be faulty gum hoses on carburator or ignition distributor. I have Tipo 1.4 '90 and I have to change electronics under ignition distributor every few years. Sometimes this electronics wont generate signal for sparc coil in the middle of driving and I have to stop and give a little kick to this small electronic box with screwdriver.

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IF - it has a carb also check for sediment/debris/water in the float chamber. I found that you can get blocked jets, held in place by the flow of fuel, which clears (for a short while) when the engine stops. Then after a somewhat variable distance it comes back again. I made a suction bottle out of a soft plastic bottle and a piece of screen washer tubing. Then I didn't have to take the carb off to clean the bottom of the float chamber. Empty into a clean glass jar to see any collected debris.

It's an Injection carb (the one with the injection pump on top). Where should there stay any debris ?

Gregor

The original response referred to a conventional carb with float chamber. In your case it sounds like you have an engine management system with sensors. If so there is probably a lambda sensor in the exhaust system, and a maifold absolute pressure sensor connected to the manifold. If the lambda sensor starts to fail the car starts to intermittently surge and stall. If it's the manifold MAP sensor the car starts to either over fuels (black oily plugs and sometimes burning smell), or less often run starved of fuel and lack power on acceleration. Best bet is an exhaust gas check.

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