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99boxster559 99boxster559 is offline
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Join Date: Jan 2016
Posts: 86
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Still troubleshooting the issues with my fuel system. I am led to believe that the WUR is working properly once I put a reliable gauge on it and got in spec cold and warm control pressures.

Still car wants to take a second to fire up at cold start but its better for some reason now. The popping under decel is what I am looking at currently.

Bad decel valve? my car is an 82 so it has the pancake diaphragm on the right side of the engine with the small vacuum line going to it. It is plugged in and going to manifold vacuum on the back of the throttle body.

Will a bad one act as an air leak as well causing starting problems that get hidden by the lamda system kicking in adjusting things once the car has some temperature in it?

From what Ive read on here people plug them to get rid of rev hang which seems to add the pop and burble I am experiencing. Can this part be repaired with the squeeze it back together method? Is there a good way to confirm function with the part in or out of the car?
Old 09-24-2024, 02:17 PM
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