GalantVR4.org The Mitsubishi Galant VR-4 Forum
Galant VR-4 Forums » Galant VR-4 » Newbies » Won't start
Previous thread Next thread

Won't start


1971
Unregistered


Galant VR-4 org Post #: 1078511 posted 07/31/12 06:01 PM     Remind Me!  Send Private Message   Edit Post      
Edited for clarification:

The engine is a 1g with a small 16g, wahlbro 255, 3in turbo back exhaust, medium sized front mount, un tuned GM maf and Maf-t
The car ran fine for all of the 400 miles I've put on it, just rich, wet black smoke coming out of the back. I went full throttle a few times and it went fine (boost guage showed 15psi max), I don't have a boost controller installed. I swapped the 450 injectors for evo 560s one day, the car still idled as it did with the 450s. I drove it for a hundred or so miles and got on it full throttle a couple times, it shit on itself and didn't really go. Not noticeably hesitating or bucking, just not moving fast. It would actually go faster if I applied less than half throttle.
It sat for two weeks waiting for a "friend" who is familiar with tuning this engine via maf-t to come and tune it.
It rained one day (I don't see how this matters, but I'll give you all the info I can) and I went to start it the next day and it didn't. Just kept cranking. I checked all the fuses and they were good, I figured it a good idea to change the plugs, so I did. I gapped ngk bpr7es to .030 and torqued them to 16.5ft/lbs.
Still didn't start, just cranked. I pulled a plug, hooked the wire to it and turned the motor over while my neighbor grounded it to the car, no spark.

That's about the time I came here. Since then I have changed the cam angle sensor to no avail. I have tried to start it and immediately pulled the plugs and haven't seen any sign of fuel on the plugs. My fuel pressure gauge has consistently registered. 37psi.

Please help me figure this out, I'm growing tired of taking the bike everywhere (80 miles to and from work each day, rain or shine!)


Edited by 1971 (08/06/12 07:43 PM)

| | | IP: (70.92.229.124) | Report this post to a Moderator

James
Does lots of head


Galant VR-4 org Post #: 1078515 posted 07/31/12 06:11 PM     Remind Me!  Send Private Message   Edit Post      
Did you test all the plugs for spark, or just that one.



1990 Summit White Galant GSX
Chipped EPROM ECU/2g maf/550cc injectors/3in exhaust /E316G/FMIC/Wally255/AeromotiveAFPR/lower shores MBC

Posts: 1322 | From: Port richey Florida | Member Since: 04/08/12 | IP: (198.228.200.32) | Report this post to a Moderator

1971
Unregistered


Galant VR-4 org Post #: 1078518 posted 07/31/12 06:14 PM     Remind Me!  Send Private Message   Edit Post      
just one

| | | IP: (70.92.229.124) | Report this post to a Moderator

Barnes
Firechicken
908/1000
237/2000


Galant VR-4 org Post #: 1078520 posted 07/31/12 06:16 PM     Remind Me!  Send Private Message   Edit Post      
So the ONLY thing you did was pull the old plugs, and put in new ones? What did you gap them to?



-Jon Barnes
#580/2000 (Long Gone)
#908/1000 Black (Sold)
#237/2000 White

Posts: 6249 | From: Richland, WA | Member Since: 02/09/03 | IP: (198.232.211.130) | Report this post to a Moderator

James
Does lots of head


Galant VR-4 org Post #: 1078521 posted 07/31/12 06:27 PM     Remind Me!  Send Private Message   Edit Post      
I would test the rest...



1990 Summit White Galant GSX
Chipped EPROM ECU/2g maf/550cc injectors/3in exhaust /E316G/FMIC/Wally255/AeromotiveAFPR/lower shores MBC

Posts: 1322 | From: Port richey Florida | Member Since: 04/08/12 | IP: (198.228.200.32) | Report this post to a Moderator

1971
Unregistered


Galant VR-4 org Post #: 1078523 posted 07/31/12 06:30 PM     Remind Me!  Send Private Message   Edit Post      
Quoting Barnes:

So the ONLY thing you did was pull the old plugs, and put in new ones? What did you gap them to?



I don't remember, but it was confirmed by a few.
It ran fine, just rich before it stopped running.

| | | IP: (70.92.229.124) | Report this post to a Moderator

1971
Unregistered


Galant VR-4 org Post #: 1078524 posted 07/31/12 06:35 PM     Remind Me!  Send Private Message   Edit Post      
I found what I researched. Bpr7es.
.030 gap

| | | IP: (70.92.229.124) | Report this post to a Moderator

Barnes
Firechicken
908/1000
237/2000


Galant VR-4 org Post #: 1078602 posted 08/01/12 12:16 AM     Remind Me!  Send Private Message   Edit Post      
Did you replace one plug at a time? I.E. remove the plug wire, change the plug, reattach the plug wire? Or did you take all the wires off, change the plugs, and put the wires back on? My guess is that you simply swapped the plug wires.

The likelihood that you did nothing other than change your plugs and the car went from running fine to nothing and it being ANYTHING else is basically zero.



-Jon Barnes
#580/2000 (Long Gone)
#908/1000 Black (Sold)
#237/2000 White

Posts: 6249 | From: Richland, WA | Member Since: 02/09/03 | IP: (96.41.211.49) | Report this post to a Moderator

Yao
Senior Member


Galant VR-4 org Post #: 1078637 posted 08/01/12 09:58 AM     Remind Me!  Send Private Message   Edit Post      
check timming belt, make sure it didn't skipped a tooth, and trace the ignition coil wires, make sure there is no short.

Posts: 810 | From: Denver, CO | Member Since: 03/06/01 | IP: (67.176.15.69) | Report this post to a Moderator

1971
Unregistered


Galant VR-4 org Post #: 1078845 posted 08/02/12 12:42 PM     Remind Me!  Send Private Message   Edit Post      
Quoting Barnes:

Did you replace one plug at a time? I.E. remove the plug wire, change the plug, reattach the plug wire? Or did you take all the wires off, change the plugs, and put the wires back on? My guess is that you simply swapped the plug wires.

The likelihood that you did nothing other than change your plugs and the car went from running fine to nothing and it being ANYTHING else is basically zero.



I changed the plugs one at a time. After it wouldn't start.

| | | IP: (70.92.229.124) | Report this post to a Moderator

1971
Unregistered


Galant VR-4 org Post #: 1079197 posted 08/04/12 05:39 PM     Remind Me!  Send Private Message   Edit Post      
I checked for spark at all the plugs, no spark.
I took off the ignition coil, but am unsure how to test it. Anyone know?

| | | IP: (70.92.229.124) | Report this post to a Moderator

Barnes
Firechicken
908/1000
237/2000


Galant VR-4 org Post #: 1079208 posted 08/04/12 06:54 PM     Remind Me!  Send Private Message   Edit Post      
If no spark plugs are firing it is unlikely that BOTH coils failed at the same time. Honestly I'm still confused how this even happened. There must be SOMETHING you did that you aren't think of. Have you tried putting the plugs you replaced back into the engine?

When you crank the engine over trying to start it, pull the plugs and see if they are wet/and or smell like gas. If you can determine if you aren't getting spark AND fuel, this helps greatly with the diagnosis.



-Jon Barnes
#580/2000 (Long Gone)
#908/1000 Black (Sold)
#237/2000 White

Posts: 6249 | From: Richland, WA | Member Since: 02/09/03 | IP: (96.41.211.49) | Report this post to a Moderator

1971
Unregistered


Galant VR-4 org Post #: 1079210 posted 08/04/12 07:03 PM     Remind Me!  Send Private Message   Edit Post      
I have the coil out now, looking for instructions how to test it/them.
I have a fuel pressure gauge before the rail that is reading 37psi. I also pulled the fuel line off the drivers side of the rail (to get easier access to pulling the coil) and fuel came out.
I can go put it back on if required...

I didn't do anything. one day it didn't start. All I know is that it rained the previous day. Shouldn't matter...

| | | IP: (70.92.229.124) | Report this post to a Moderator

Barnes
Firechicken
908/1000
237/2000


Galant VR-4 org Post #: 1079214 posted 08/04/12 07:44 PM     Remind Me!  Send Private Message   Edit Post      
You established if there is fuel going to the rail. That's a start. However I was trying to figure out if there is fuel coming out of your injectors. This is why I ask that you check your plugs for wetness/fuel smell after you try to start it.



-Jon Barnes
#580/2000 (Long Gone)
#908/1000 Black (Sold)
#237/2000 White

Posts: 6249 | From: Richland, WA | Member Since: 02/09/03 | IP: (96.41.211.49) | Report this post to a Moderator

mitsuturbo
Banthony
555/1000


Galant VR-4 org Post #: 1079215 posted 08/04/12 07:50 PM     Remind Me!  Send Private Message   Edit Post      
If there's NO spark at all, and it only happened just after changing plugs, maybe a hand was rested on top of the CAS while pullng a plug and a wire's loose/broken on the CAS plug.



92 GVR4 555/1000 11.41 @ 128.26mph
97 CBR900RR
2012 Hyundai Veloster

Posts: 3535 | From: Near Seattle, Washington | Member Since: 06/02/08 | IP: (98.237.211.124) | Report this post to a Moderator

1971
Unregistered


Galant VR-4 org Post #: 1079216 posted 08/04/12 07:58 PM     Remind Me!  Send Private Message   Edit Post      
Allow me to clarify, sorry for the confusion. It didn't start one day, then I changed the spark plugs. As a start to remedy the non start issue.
I just put the coil back in cranked it for many seconds, stopped and again for many seconds. No start. Pulled the plugs and smell nothing. The pressure gauge still registers 37.
I did recently swap the 450s to EVO 560s that I had cleaned and tested, they flowed between 580 and 610.
I could swap back the the 450s?

| | | IP: (70.92.229.124) | Report this post to a Moderator

1971
Unregistered


Galant VR-4 org Post #: 1079219 posted 08/04/12 08:39 PM     Remind Me!  Send Private Message   Edit Post      
I should ad that it ran with the 560s

| | | IP: (70.92.229.124) | Report this post to a Moderator

1971
Unregistered


Galant VR-4 org Post #: 1079541 posted 08/06/12 04:21 PM     Remind Me!  Send Private Message   Edit Post      
Any other thoughts? I haven't found any loose or broken wires or plugs...

| | | IP: (70.92.229.124) | Report this post to a Moderator

Barnes
Firechicken
908/1000
237/2000


Galant VR-4 org Post #: 1079554 posted 08/06/12 04:58 PM     Remind Me!  Send Private Message   Edit Post      
Start by setting us straight as to the sequence of events that lead up to this. Tell us the mods you did while it was still running, and ALL the things you tried to do to get it to run after it stopped.



-Jon Barnes
#580/2000 (Long Gone)
#908/1000 Black (Sold)
#237/2000 White

Posts: 6249 | From: Richland, WA | Member Since: 02/09/03 | IP: (198.232.211.130) | Report this post to a Moderator

1971
Unregistered


Galant VR-4 org Post #: 1079576 posted 08/06/12 06:20 PM     Remind Me!  Send Private Message   Edit Post      
Done, please see first post

| | | IP: (70.92.229.124) | Report this post to a Moderator

zanderson
Unregistered


Galant VR-4 org Post #: 1079638 posted 08/07/12 01:18 AM     Remind Me!  Send Private Message   Edit Post      
The best place to start when diagnosing a no start is checking for spark, then fuel. No spark on some cylinders = coil pack, No spark on all cylinders most likely CAS, but it could be other things like the MPI relay, or MPI fuse if you also dont have fuel(injectors not firing). Since you have fuel pressure I would say it is safe to say your pump in most likely good.

| | | IP: (75.163.4.52) | Report this post to a Moderator

1971
Unregistered


Galant VR-4 org Post #: 1080264 posted 08/10/12 10:48 PM     Remind Me!  Send Private Message   Edit Post      
I was mistaken about the fuel pump turning on, its not.
What could be causing it not to turn on? Or is it just dead?

| | | IP: (70.92.229.124) | Report this post to a Moderator

1971
Unregistered


Galant VR-4 org Post #: 1080389 posted 08/11/12 05:03 PM     Remind Me!  Send Private Message   Edit Post      
About the mpi relay. It looks fine, not broken like a fuse would be. Can these be tested? My multi meter shows no resistance...

| | | IP: (70.92.229.124) | Report this post to a Moderator

mitsuturbo
Banthony
555/1000


Galant VR-4 org Post #: 1080668 posted 08/13/12 12:52 PM     Remind Me!  Send Private Message   Edit Post   
Are you sure you found the MPI relay? I'm not sure why you're comparing it to a "fuse" since it's a metal box with like 8 contacts and corresponding plug.

There's also some relay near the factory battery location. I'm not sure what it's for, but it had been moved a bit on one of my cars. I once had that get wet after a heavy rain and the car would not start.

Also, Try this.. turn the key all the way on. Mark where the CAS is set. Remove it. Spin it with your finger, and listen for injectors firing, and fuel running. Also, while doing this, unplug the plugwires from the coilpack, and watch for spark there. This will tell you of the CAS is working. Also, if you have a known good spare CAS, just plug it in instead, and spin it. If you're not hearing injectors, fuel, or both.. it might be the CAS, or it might be the CAS is not getting proper power/signal, at which time you'd want to get out the volt meter and verify that. If you hear fuel, but no injectors firing, check your connection at the resistor pack.

Double check all connections at the ECU as well. Triple check ALL fuses, both under the hood, and under the dash.

One more thing.. is the CEL coming on when you have the key all the way on?



92 GVR4 555/1000 11.41 @ 128.26mph
97 CBR900RR
2012 Hyundai Veloster


Edited by mitsuturbo (08/13/12 12:56 PM)

Posts: 3535 | From: Near Seattle, Washington | Member Since: 06/02/08 | IP: (50.47.94.21) | Report this post to a Moderator


Pages: 1
Previous thread Next thread

Extra information
0 registered and 8 anonymous users are browsing this forum.

Galant VR4.org Moderator:  Hertz, curtis, steve, atc250r, jcgalntvr4-244, cheekychimp, jepherz, Rausch, toybreaker, iceman69510, pot, FlyingEagle 

Print Thread

Forum Permissions
      You cannot start new topics
      You cannot reply to topics
      HTML is disabled
      UBBCode is enabled

Rating:
Thread views: 6104

Rate this thread


News & Events: News | Events
Galant VR-4: Newbies | General VR4 Discussions | Technical Discussions | How To and Info Archive
Marketplace: Parts For Sale | Cars For Sale | Good Guys | Bad Guys
Community: Members' Showcase

Contact Us | Privacy statement GalantVR-4.org

Generated in 0.255 seconds in which 0.099 seconds were spent on a total of 14 queries. Turbo powered.


Hertz's Galant VR-4 Page