Good Day good folk,
Though a long time RV owner I'm new here but have perused the site before and read many informative posts past and present.
May I start by adding I've been an avid mechanic owning a slew of cars since I started driving in back in the early 60's and have always been relentless in keeping the vehicles maintained and running properly.
I've owned my 94 Brave for over 25 years now and have meticulously maintained her mostly by myself with the exception of some larger jobs like a fuel pump once by the dealer here (Mid Ten Ford) that will no longer even look at the coach as it's over 20 year old. No one but me now
I recently rebuilt the EEC lV electronics (with new caps), solved a belt alignment issue after a new water pump and alternator and recharged the AC. Also did an E4OD fluid/filter change & replaced the MLPS as I was having serious shifting issues, that solved that issue.
Everything was running like a top (or so I thought) as I had taken her out up and down serious grade hills and some 20 mile cruises, I'd just done an Obd-1 scan and got a 111 pass and 10 scan code, happy chap
. Last week took her out again cruising beautifully and returned, backed into the RV port and shut down.
Ten Minutes later I tried to start up again only to have an extremely rough running engine blowing black smoke and dying on idle. Scanned again and got 13 codes, what in the world just happened I asked. Took out all the plugs, all completely fouled & smelling of gas. I know Im in an over rich state but why and whats doing it. Absolutely gutted and dumbfounded!!!!!
Did some Irv2 research and replaced the fuel pressure regulator (Standard Motor Prod. PR15) Checked every connection (Disconnect Re-connect) particularly the MAP, checked vacuum to new regulator and searched for leaks. All seems good. I know I have good vacuum as I can hear the EGR valve dissipating the reserve from the system canister up front on shut down.
Waiting on a new Motorcraft MAP sensor today, cleaned all the plugs with a torch and reinstalled as they look just fine for now. I also have new plugs but didn't install as yet as I didn't want to foul them immediately on a start with a failed repair. I will try the MAP when it arrives and advise.
If the MAP fails I'll once again be at the "Throwing Parts at it" stage.
Might I ask if any of you might have another suggestion should the MAP sensor fail to remedy my situation. I'm just stuck as it is.
I greatly appreciate your time and advice.