Robert, V O M = volt ohm meter.
The next area I would look at would be the throttle potentiometer control, but there again you will need the afore mentioned volt ohm meter and that six-pack. I would probably move cruise control to the bottom of the list because it gets its primary signal from a rotating sensor located either on the drive-shaft or live axel. Regards Larry Stansifer -----Original Message----- From: blindhandyman@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of Robert J. Moore Sent: Monday, May 14, 2007 8:34 PM To: blindhandyman@yahoogroups.com Subject: RE: [BlindHandyMan] revving engine. Larry after re reading your post. I have a couple more questions / comments. First what is a V O M Is that a vehicle onboard monitor? Also I am not so sure if how the system interprets the temp. has much to do with it. because even with very cold conditions the engine should not rev so high that one would think it is at risk of blowing up. Which is how she describes it. And after she gives the throttle a quick thump it will settle down and behave. One more thing I just thought about as I am typing. The odometer and the speedometer do not work and I think she has crues control she does not use the crues but could it be sending a signal? And if so can you just unplug them? I admit that I am kind of grasping at straws with that last one but I thought it might be worth a mention. Thanks for your help Robert -----Original Message----- From: blindhandyman@yahoogroups.com [mailto:[EMAIL PROTECTED] Behalf Of Robert J. Moore Sent: Monday, May 14, 2007 9:17 PM To: blindhandyman@yahoogroups.com Subject: RE: [BlindHandyMan] revving engine. Larry Unfortunately as this is not my car and people do not describe symptoms all that clearly and I don't have enough experience to really intarigate I mean question them, I don't have a lot of information to work with. I can tell you that the car does not over heat and as far as I know it does not give her any trouble after the car is up to operating temp. So looks like this one may need to go to the shop. How did you say that? Not sure I can fix this one with a 6 pack and a monkey wrench? -----Original Message----- From: blindhandyman@yahoogroups.com <mailto:blindhandyman%40yahoogroups.com> [mailto: blindhandyman@yahoogroups.com <mailto:blindhandyman%40yahoogroups.com> ]On Behalf Of Larry Stansifer Sent: Monday, May 14, 2007 7:29 PM To: blindhandyman@yahoogroups.com <mailto:blindhandyman%40yahoogroups.com> Subject: RE: [BlindHandyMan] revving engine. Robert, does the engine warm up normally? If the Thermostat is working correctly and the engine still thinks it is cold you may be chasing a mas air flow sensor or engine temp sensor ghost. Nothing you want to tackle with a six-pack and a V O M Regards Larry Stansifer -----Original Message----- From: blindhandyman@yahoogroups.com <mailto:blindhandyman%40yahoogroups.com> <mailto:blindhandyman%40yahoogroups.com> [mailto: blindhandyman@yahoogroups.com <mailto:blindhandyman%40yahoogroups.com> <mailto:blindhandyman%40yahoogroups.com> ] On Behalf Of Robert J. Moore Sent: Monday, May 14, 2007 3:15 PM To: Blind Handyman Subject: [BlindHandyMan] revving engine. My friend has a 1991 Plymouth acclaim with a 2.5 and when she starts it up from cold it will some times rev up on its own and she has to kick it down. With out hooking it up to a OBD or some thing is there any thing I could try to do or look for to try to solve this? I was thinking there may be a vacuum leak some where, I checked out the vacuum lines that I could find and they seem to be ok. I also shot the linckage with some WD 40 and shot some carb cleaner down the throat of the throttle body. Any thing else I can try for her before she takes it to the shop. I think a car crusher would be the proper tool in this case but it is not my car so that is not my call. Really though it has been a good car for her all in all. Ists just that it has over 170,000 miles on it and for that particular car that is really getting up there. Yes I know some one on this list no doubt is going to come back and tell me about a Plymouth acclaim with over 250,000 miles on it but that would in my opinion be the acception rather than the rule. 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