If you are encountering login problems please check here

1986 Capri with 1988 2.3T Restart after 6 Years - Electrical Problem?
#11

Does that sound plausible? Or could it be the fuel pressure regulator? I think I have a spare i could change out and see.

The inline pump is a high flow Walbro which was not changed out recently, and the in tank is a stock Delphi that is brand new.... maybe the walbro is the problem? I may take it off and check the pressure to see if it was somehow restricting the flow since it was a part of the fuel system that sat for 6 years...

What do y’all think?
Reply
#12

.
Got injector signal, Nick (clicky, clicky at inj's)? Got spark at plug wires? (if so....try with spout connector unplugged). You could also try plugging the FPR return to see if rail pressure increases (indicating a bad FPR). 29 psi is probably .enough pressure to "pop" the inj's and cause it to at least TRY to start. What happens if you try to start it with a shot of ether into one of the vac-hose nipples on the upper intake?  [Image: confused0024.gif]
Placerville, California
(former)  2.3T '78 Courier ~ (current)  2.3T '87 Ranger & '82 Mazda B2200 (smog-exempt diseasel truck)
Reply
#13

I replaced the IRCM, fuel pressure regulator and the coil and it still wouldn't start up. I unplugged the spout and it started up. It died after a couple minutes but it at least was running. It was running but with plumes of white smoke. Like enough to think either my house was on fire or I was doing a burnout in the driveway. It ended up dyeing on its own and would take tweaking to start again (same night) with the throttle body and still with the spout out.

After that I noticed the fuel pressure gauge shot up to 90+ psi when the pumps were primed. I researched and found that the pressure may be because of a clogged return line. I cut the line and have it draining into a gas can and now it has perfect fuel pressure again, but wont start... ???? I don't know what the problem could be. It was just running.

I know am trying too get it to start/stay running and looking for issue with the white smoke. I checked compression and have 140+ on each cylinder. Took off the valve cover and all springs/lifters move up and down as they should.

What else should I be looking into? It now wont start again, even with tweaking the throttle screw.
Reply
#14

.
Check for raw gasoline dripping from the exhaust pipe[s]. If so (or even if not).......the FPR diaphragm may be ruptured (possibly resulting from the intermittent 90 psi f/pres?), allowing gas to be ingested directly into the manifold thru the reference hose. Other causes for white crop dusting are [1] Severely-blown h/gask, or [2] Trans fluid being ingested into the intake, due to a ruptured diaphragm on the vacuum modulator (assumes auto trans).  [Image: confused0024.gif]
Placerville, California
(former)  2.3T '78 Courier ~ (current)  2.3T '87 Ranger & '82 Mazda B2200 (smog-exempt diseasel truck)
Reply
#15

It has a T5 trans.

I didn't notice raw fuel from the exhaust, but I cant get it to start back up too check. I thought the FPR may have buusted but since it was new I looked at possible clogged return.

Since disconnecting the return fuel line corrected the fuel pressure, could it still have been a broken FpR?
Reply
#16

It sounds like the return is clogged as you suspected as a failed FPR wouldn't be fixed by cutting the return line.

Removing the spout removes the ECU from the spark equation. If it sparks with the spout out but not with the spout installed then the ECU is bad. If it sparks in both cases then that's not the case.
|STINGER PERFORMANCE| 2.3T Parts, Swap & Tech Articles |FAQ| -FORUM-|
|->PiMPxs & PiMPx ECU\'s<-| SVOx3, Turbo 06 GT
Reply




Users browsing this thread: 1 Guest(s)