Enging Shutdown Problem..Help!

[Lashbrook27]

On my 1990 it reads barometric pressure. I picked it up from a local autozone, stock replacement. Not sure why a bad reading from this cause my WOT and fuel relays to start clicking.

[rivs]

What was your starting problem?? I installed another MAP sensor, and still the same, also checked the under seat realay and the WOT relay and they are good. removed the ecm and cleaned contacs, jumped the ECM relay and still problem, im going crazy with this. I need an exorcist!!!

[Lashbrook27]

My starter relay was staying closed, so the starter would stay cranking after the engine was running. I had my starter checked/checked out okay but the bearings were shot/replaced that. Didn't know if ignition switch racall was done, so I picked up a new one. My contacts in my neutral/park safety switch didn't sound good so I picked that up also. There was an aftermarket securty system installed on it before I purchased the car. There were all kinds of splices under the dash, so I removed all of that crap. My starting problem is solved. Is your computer giving you any codes?

[Lashbrook27]

I wouldn't have replaced the MAP sensor unelss you were getting a code 22. Those things don't typically go bad. start with checking for codes. If you don't have a reader pick one up from autozone. It is pretty cheap and easy to use.

[rivs]

you know what?? it also happened to me that when i shut engine off it kept cranking, in a way that i had to put it in gear and let the clutch out and step hard on brakes to be able to shut it off. But it happened only a couple of times, not anymore. KOEO i get a constant 85, i can't do a KOER because it starts bucking and missfiring before it reads anything, and shuts down the engine. Code 85 is canister purge circuit failure, I eliminated all smog equipment and the plug between Engine coolant temp sensor, and idle speed control, wich is for canister purge solenoid is hanging loose. Ill try to find one but i dont understand why it shorts everything out!!