Quote:
Originally Posted by 400Eric
Is that the plate over the throttle body? It's not stuck---it is funny you would mention that. It actually seems to me that there is not enough resistance---the plate seems to move too freely. How much resistance should there be? Maybe something has failed (a diaphragm? Maybe it got chewed?) If it's not getting sucked open when it should be, that would be the same as it being stuck closed. I need to check the one on the '89. I also need to watch how that plate is supposed to behave when starting/running. Thanks. Regards, Eric
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THe air flap will have resistance when there is fuel pressure, but it dies away over time.
If you remove your fuel distributor completely, the flap becomes floppy, almost so that it moves under its own weight. But connect to car and turn on the ignition, it becomes much more resistant. The resistance doesn't seem to go away even if the car is left overnight etc.
I don't think you need any acceleration enrichment for the car to drive alright. No way it should stutter and completely bog down, but maybe a bit of bogging is 'acceptable' with an EHA not-functioning problem. Try disconnecting the EHA just to be sure the computer isn't making things worse instead of better.
I once had a major problem of idling but refusing to rev up, when I had put the OVP relay in wonky. It was misaligned by a couple of pins and it completely screwed the engine - luckily I figured it out but even with the relay being the only thing I changed before the problem, I was stumped for a bit. (that may be my stupidity though).