I would say so. The EGR operates directly with manifold vaccum so when they sick open they can kill the idle. The car will run fine without it hooked up as it only functions during warm-up for emissions.
You may all so have carbon biulded up under it.It happen to me on a 73 Nova
a bad throttle position sensor will cause: transmission shift issues, bucking, jerking, idle surging, engine cuts off, hesitation on take off, surge while cruising down highway. all or part of these symptoms will indicate a bad sensor. not all the time will check engine light be on!! sometime these symptoms will not set a problem code.
The description of "missing" could be a sign of fuel starvation (clogged fuel filter - failing fuel pump - clogged injector nozzles) or - a possible problem with the ignition system - bad plugs - dirty distributor- bad spark plug wires. The description of "surging" would lead one to believe that it is probably a fuel related problem.
I have the same problem, and there are a few sensors that do the same thing on vehicles now days. a bad tps sensor will cause: transmission shift issues, bucking, jerking, idle surging, engine cutoff, hesitation on take off, surge while cruising down highway. all of these symptoms do not have to be presant. a problem code does not light up if problem is not severe, even if codes do not come up you can still have a bad sensor. I have a 2000 Malibu 3.1, the tps is on side of throttle body at throttle plate, it is black and round, I believe the elec, connection has 3 wires!! take out 2 screws holding the tps in, pull off of throttle plate arm, when putting back on make sure you use a new o ring. when putting it on make sure that the throttle plate is closed. HOPE THIS HELPS, CARL
The throttle body controls the amount of air going into the engine. The more air, the more rpms. If the throttle body gets defective and allows too much air into the engine, surging can occur. This surging can be dangerous because the vehicle lunges forward or backwards (depending on whether it is in a forward or backward gear) unexpectedly and without much warning (it occurs very quickly). There are many complaints on the internet about the "surging problem" with Ford vehicles, but Ford has not taken any action to safeguard the public by instituting a recall of the affected models or by notifying the owners of the affected models. It appears that Ford will not say anything about this dangerous condition until there is a fatality as a result of the "surging problem".
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