86 240....possible ignition control module failure?

Sevan11 · Post by **Sevan11** » 20 Oct 2016, 15:07

I bought an 86 War Wagon up in whitefish Montana just last month for 600$
It has 232,000 and I have put 1,000 miles on it in less than a month (montana down to idaho, almost to Nevada when she died).
She started bogging down whenever she was getting toward the half tank mark in her gas tank.
Id only have to give it like 5 min before I could drive off again.
Problem became more difficult to deal with as the time between stalling would get closer together.
I replaced the fuel filter and fuel pump.
Fuel pump relay (can't hear it feel it clicking)
No spark no start. (Exceptt for two days ago for two hours until I went to bed then nothing still).
Cleaned all grounds and improved contacts at groundes.
Checked wires, circuits, distributor /rotor hall sender, ecu, Ignition control module and I'm getting frustrated.
Everything I've checked has worked in terms of fuel pump relay it the bypass to turn them on (fuse #4&6)
And we have gotten sparks and had this vehicle running 5 different times..
Any ideas or help would be greatly appreciated.
Thank yu

harryhendo · Post by **harryhendo** » 20 Oct 2016, 17:50

So currently:
1) when you turn the ignition to start, does the engine starter engage and crank the engine?
2) if so, does it start or not start?
3) if it does not start, when you take a spark plug out, and ground it to the engine block, have someone crank the ignition, do you see a spark?
4) if so, do you smell gas coming from the tailpipe?
5) do you hear the fuel pump whirring when you crank the engine?
6) if so, remove the hose from the end of the fuel pressure regulator (silver can at the end of the fuel rail), and see if it starts.

93Regina · Post by **93Regina** » 21 Oct 2016, 22:15

Sevan11 wrote:I replaced the fuel filter and fuel pump

There are two fuel pumps, but unless hot weather exists, Volvos can run on one, if you keep the tank filled up.

So, get a glass coke bottle, unhook fuel return line at fuel pressure regulator, insert a hose there and place other end in coke bottle. Have someone crank engine...if it starts, turn it off (engine). Got Fuel?

Caution - Do this in an open space...I'm not responsible for a foolish snafu.

joedrt77 · Post by **joedrt77** » 01 Nov 2016, 05:11

Oops, got wrong post.

joedrt77 · Post by **joedrt77** » 01 Nov 2016, 05:20

joedrt77 · Post by **joedrt77** » 01 Nov 2016, 05:28

joedrt77 · Post by **joedrt77** » 01 Nov 2016, 05:39