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HELP - 8V92 will not start
06-18-2008, 12:45
Post: #1
HELP - 8V92 will not start
I need some suggestions.
I have been working on the coach for week but did not start the engine.
I changed the themostate and checked the water pump on the generator
engine.
The generator now runs great.
Yesterday I put new exhaust manifold gaskets on the street side of the
coach engine.
This morning I tried to start the engine to check the exhaust for leaks.
The engine starts and runs for about 10 seconds and quits. High idle
switch does not change result. Accelerator pedal has no effect.
Check engine light does not stay on and the codes are the same as were
there when I got the coach last year.

My concern is that last week I tried to install a VMSpc JIB on the
wrong plug and then after help from Rob, installed the JIB on right
plug. It turned out the JIB was faulty. I am waiting for a
replacement JIB. The concern is that that messing with the plugs has
screwed up my ECM and that is causing the non-starting problem.

The engine was running great about three weeks ago before I did all
the above work. It could be plugged fuel filters. I am planning on
changing filters tomorrow. It seems unlikely that it is plugged
filter. My vaccuum gage does not move above low range when it is
trying to run. Oil pressure moves to 40 lbs. Coolant level is full.

I am real trouble because my wife was planning on leaving tomorrow on
a two week trip.
Any suggestions?
How could I determine if I messed up the ECM?

Larry Kehler
1994 PT-40WBDA
St Louis
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Messages In This Thread
HELP - 8V92 will not start - Larry Kehler - 06-18-2008 12:45
HELP - 8V92 will not start - Leroy Eckert - 06-18-2008, 13:36
HELP - 8V92 will not start - Mike McMahan - 06-18-2008, 13:46
HELP - 8V92 will not start - Larry Kehler - 06-18-2008, 15:02
HELP - 8V92 will not start - Troy Tikalsky - 06-18-2008, 15:43
HELP - 8V92 will not start - Curt Sprenger - 06-18-2008, 15:46
HELP - 8V92 will not start - Mike McMahan - 06-18-2008, 15:57
HELP - 8V92 will not start - ronmarabito2002 - 06-18-2008, 15:58
HELP - 8V92 will not start - Leroy Eckert - 06-18-2008, 16:01
HELP - 8V92 will not start - Gregory OConnor - 06-19-2008, 00:31
HELP - 8V92 will not start - Chuck Wheeler - 06-19-2008, 03:02
HELP - 8V92 will not start - Larry Kehler - 06-19-2008, 07:21
HELP - 8V92 will not start - Curt Sprenger - 06-19-2008, 07:55
HELP - 8V92 will not start - putneyflash@... - 06-19-2008, 08:00
HELP - 8V92 will not start - Leroy Eckert - 06-19-2008, 08:45
HELP - 8V92 will not start - ronmarabito2002 - 06-19-2008, 09:03
HELP - 8V92 will not start - Larry Kehler - 06-20-2008, 11:52
HELP - 8V92 will not start - ronmarabito2002 - 06-20-2008, 12:01
HELP - 8V92 will not start - Dan Williams - 06-20-2008, 13:24
HELP - 8V92 will not start - Curt Sprenger - 06-20-2008, 16:24
HELP - 8V92 will not start - Ryan Wright - 06-20-2008, 19:40
HELP - 8V92 will not start - Larry Kehler - 06-22-2008, 14:51
HELP - 8V92 will not start - Gregory OConnor - 06-22-2008, 15:17
HELP - 8V92 will not start - putneyflash@... - 06-23-2008, 00:17
HELP - 8V92 will not start - Gregory OConnor - 06-23-2008, 03:10



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