SHOtimes List Archive

This read-only message was archived from a public mail list.
Mail From: "Jeremy" <(email redacted)>

Hello,
I've been lurking for about a year..this is my first post. The problem
that I am having is that my sho ('94 MTX) keep stalling on hot days after a
driving period of about 1 hour or so. It seems to run fine, then if I let it
sit an idle for about 1-3 minutes it stalls (almost like it is out of gas). I
just did my 60K a couple of months ago, so I don't think it is the CPS. I
also just cleaned the IAB with no luck. I pulled the codes and got these:
511-no power to PCM pin 1 or bad PCM
542- Fuel pump open/bad ground or always on
411- Idle speed system not controlling idle properly
225- Knock sensor not tested

>From these I am thinking that it probably has something to do with my fuel
pump. Either it is bad, or not grounded. Am I on the right track, or way
off?

Jeremy
'94 MTX y-pipe, LPM, K&N
_______________________________________________
Shotimes mailing list
(email redacted)
team.net/mailman/listinfo/shotimes

This read-only message was archived from a public mail list.
Mail From: "don donelson" <(email redacted)>

simple diagnois

your water pump is right above a sensor called the CPS .. or crank postion
sensor.

The weep hole of the water pump is directly above this sensor ... and when
the water pump starts to fail ... it will weep coolant out of the hole
directly on the dps sensor ...

After a while the sensor gets to hot and fails ... the EEC senses the
failure and shuts down the motor immediatly.

After the CPS sensor cools down .. you than can restart the motor.


You need a new water pump and sensor .... i also recommend replacing the
front main seal when down there and ONLY have someone who know there shit
about SHO's

dond



Sr 72 race preped 89 SHO

-3.2 ATX block
-FPS hi-flow heads w/ over sized valves
-.40 cams
-SHONUT adjustable timing sprockets
-Ported intake & runners
-Ported and extrude honed exhaust manifolds
-Hi-flow catless Y pipe
-Hi-flow exhaust
-BBB
-SHO SHOP T.B.
-SHONUT phenolic spacers
-Quaife
-CAI
-UDP

****
-17x7.5 Cobra R rims w/ Toyo Proxies Ra auto cross tires
-Complete sunpro gauges water temp / oil pressure

****
-Tokico shocks/Eibach springs
-Polyurethane at all corners
-Solid-sub frame bushings
-Frame stiffners
-full roll cage/6pt harness
-Adjustable rear control arms
-Battery located in trunk for better weight distrubution

****

-13" Cobra rotors and Calipers
-Steel braided lines
-race seat
-est 2850 pds

can u say "fast" ??





>From: "Jeremy" <(email redacted)>
>To: <(email redacted)>
>Subject: [Shotimes] Dies at idle when hot Help.
>Date: Sat, 15 Jul 2006 15:01:51 -0400
>
>Hello,
> I've been lurking for about a year..this is my first post. The
>problem
>that I am having is that my sho ('94 MTX) keep stalling on hot days after a
>driving period of about 1 hour or so. It seems to run fine, then if I let
>it
>sit an idle for about 1-3 minutes it stalls (almost like it is out of gas).
> I
>just did my 60K a couple of months ago, so I don't think it is the CPS. I
>also just cleaned the IAB with no luck. I pulled the codes and got these:
>511-no power to PCM pin 1 or bad PCM
>542- Fuel pump open/bad ground or always on
>411- Idle speed system not controlling idle properly
>225- Knock sensor not tested
>
>From these I am thinking that it probably has something to do with my fuel
>pump. Either it is bad, or not grounded. Am I on the right track, or way
>off?
>
>Jeremy
>'94 MTX y-pipe, LPM, K&N
>_______________________________________________
>Shotimes mailing list
>(email redacted)
>team.net/mailman/listinfo/shotimes

_________________________________________________________________
Is your PC infected? Get a FREE online computer virus scan from McAfee.
Security. clinic.mcafee.com/clinic/ibuy/campaign.asp?cid=3963
_______________________________________________
Shotimes mailing list
(email redacted)
team.net/mailman/listinfo/shotimes

This read-only message was archived from a public mail list.
Mail From: "Dave Kegel" <(email redacted)>

While this is true, I (and I believe several others) have had crank
sensors fail when the water pump was fine. My point is, even if it
appears that your pump is not leaking at all, the CPS is still most
likely bad.

Dave

-----Original Message-----
From: (email redacted)
[mailtoemail redacted)] On Behalf Of don donelson
Sent: Sunday, July 16, 2006 9:15 AM
To: (email redacted); (email redacted)
Subject: RE: [Shotimes] Dies at idle when hot Help.


simple diagnois

your water pump is right above a sensor called the CPS .. or crank
postion
sensor.

The weep hole of the water pump is directly above this sensor ... and
when
the water pump starts to fail ... it will weep coolant out of the hole
directly on the dps sensor ...

After a while the sensor gets to hot and fails ... the EEC senses the
failure and shuts down the motor immediatly.

After the CPS sensor cools down .. you than can restart the motor.


You need a new water pump and sensor .... i also recommend replacing the

front main seal when down there and ONLY have someone who know there
shit
about SHO's

dond



Sr 72 race preped 89 SHO

-3.2 ATX block
-FPS hi-flow heads w/ over sized valves
-.40 cams
-SHONUT adjustable timing sprockets
-Ported intake & runners
-Ported and extrude honed exhaust manifolds
-Hi-flow catless Y pipe
-Hi-flow exhaust
-BBB
-SHO SHOP T.B.
-SHONUT phenolic spacers
-Quaife
-CAI
-UDP

****
-17x7.5 Cobra R rims w/ Toyo Proxies Ra auto cross tires -Complete
sunpro gauges water temp / oil pressure

****
-Tokico shocks/Eibach springs
-Polyurethane at all corners
-Solid-sub frame bushings
-Frame stiffners
-full roll cage/6pt harness
-Adjustable rear control arms
-Battery located in trunk for better weight distrubution

****

-13" Cobra rotors and Calipers
-Steel braided lines
-race seat
-est 2850 pds

can u say "fast" ??





>From: "Jeremy" <(email redacted)>
>To: <(email redacted)>
>Subject: [Shotimes] Dies at idle when hot Help.
>Date: Sat, 15 Jul 2006 15:01:51 -0400
>
>Hello,
> I've been lurking for about a year..this is my first post. The
>problem
>that I am having is that my sho ('94 MTX) keep stalling on hot days
after a
>driving period of about 1 hour or so. It seems to run fine, then if I
let
>it
>sit an idle for about 1-3 minutes it stalls (almost like it is out of
gas).
> I
>just did my 60K a couple of months ago, so I don't think it is the CPS.
I
>also just cleaned the IAB with no luck. I pulled the codes and got
these:
>511-no power to PCM pin 1 or bad PCM
>542- Fuel pump open/bad ground or always on
>411- Idle speed system not controlling idle properly
>225- Knock sensor not tested
>
>From these I am thinking that it probably has something to do with my
>fuel pump. Either it is bad, or not grounded. Am I on the right
>track, or way off?
>
>Jeremy
>'94 MTX y-pipe, LPM, K&N
>_______________________________________________
>Shotimes mailing list
>(email redacted) team.net/mailman/listinfo/shotimes

_________________________________________________________________
Is your PC infected? Get a FREE online computer virus scan from McAfee.
Security. clinic.mcafee.com/clinic/ibuy/campaign.asp?cid=3963
_______________________________________________
Shotimes mailing list
(email redacted) team.net/mailman/listinfo/shotimes
_______________________________________________
Shotimes mailing list
(email redacted)
team.net/mailman/listinfo/shotimes

This read-only message was archived from a public mail list.
Mail From: "leighsm" <(email redacted)>

Jeremy;
After it stalls will it start up again right away?
(a bad CPS won't)
If it won't check codes right away, you may find a CPS code.
If it will, clear all codes and run codes again. Note which one sets
"first".
Deal with that one.
Check all grounds for tightness, especially ECM ground: screw on firewall
near neg batt, with wires from neg batt and ECM (thru quick disconnect).
Also important grounds on pass rear manifold bracket bolt way in back, and
pass firewall by hood strut, small blk ground & screw.
Clear codes and check again.
Lee

----- Original Message -----
From: "Jeremy" <(email redacted)>
To: <(email redacted)>
Sent: Saturday, July 15, 2006 3:01 PM
Subject: [Shotimes] Dies at idle when hot Help.


> Hello,
> I've been lurking for about a year..this is my first post. The problem
> that I am having is that my sho ('94 MTX) keep stalling on hot days after
> a
> driving period of about 1 hour or so. It seems to run fine, then if I let
> it
> sit an idle for about 1-3 minutes it stalls (almost like it is out of
> gas). I
> just did my 60K a couple of months ago, so I don't think it is the CPS. I
> also just cleaned the IAB with no luck. I pulled the codes and got these:
> 511-no power to PCM pin 1 or bad PCM
> 542- Fuel pump open/bad ground or always on
> 411- Idle speed system not controlling idle properly
> 225- Knock sensor not tested
>
> From these I am thinking that it probably has something to do with my fuel
> pump. Either it is bad, or not grounded. Am I on the right track, or way
> off?
>
> Jeremy
> '94 MTX y-pipe, LPM, K&N
> _______________________________________________
> Shotimes mailing list
> (email redacted)
> team.net/mailman/listinfo/shotimes
_______________________________________________
Shotimes mailing list
(email redacted)
team.net/mailman/listinfo/shotimes