Engine/Transmission (1998.5 - 2002) Engine surging problem

[carl_b]

I recently had problems with the engine of my Dodge surging. Also, the transmission would frequently kick into lower gear. This was an almost constant problem with these events occurring every few minutes. I followed the suggestions given in various threads to clean all electrical contacts and connections but this did not result in any changes. I was ready to take the truck into the shop, though the mechanic had yet to offer any solution. He just said he would have to check it out. I guess I saw that as an opportunity to spend a lot of money on hours while he searched for a problem. As a final attempt I tried one more approach: I power washed the engine compartment, especially the area under the fuel filter. My reasoning was that just prior to the onset of the problem I had a small diesel leak from the fuel filter and I thought that the spilled fuel, and the expected collection of dirt had gotten on the connections for the fuel filter and/ or the starter and caused some type of alternate and undesirable electrical connections. This solved the problem of the engine surging and transmission malfunctions. The truck has been running perfectly since that action.



I have described this to several mechanics all of who simply rolled their eyes like I was some kind of nut case. They did not believe this action could have had positive results, and in fact suggested this would have created problems. Can anyone on the forum provide any understanding of why this may have worked? Would anyone concur with my reasoning? Any responses would be appreciated.





Carl_b

 

[RonaldLarson]

Could be that the MAP sensor connector was slightly exposed and the grime caused the issue. It is just to the rear and under the filter.

 

[JLandry]

That's easy...



You simply washed the gremlins away!

John L.

 

[Alan Reagan]

I've heard of stranger things happening. If you think it was dirty connections, I would still pull those connectors, make sure they are clean and then put diectric connector lube in the connector. It is available at auto parts stores. It ensures a good connection and all but stops any corrosion on the contacts. Any time I'm taking an electrical connector off or putting in a light bulb, I put the dielectric grease in the connector or socket. Keeps the water out and the electrons in.



As far as the mechanic wanting to "troubleshoot", I have found that ASE certified mechanics at many dealerships now means "Ask Somebody Else". Most of them can't figure it out on their own.