| Author |
Message |
shopper
Guest
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 Posted:
Sun Jan 16, 2005 4:19 pm Post subject:
89 Celebrity, hard start when cold |
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This car is hard starting at temperatures below -18 C. It will fire but
stalls when the starter is released. After several tries it will usually
run, if the battery hasn't died by that time. Once running everything is
fine. A friend gave me a GM computer code reader which comes up with Code
12. The book lists that code as: Diagnostic mode; no distributor signal to
Electronic Control Module; System PASS. Doesn't seem like much help, does
it? :-(
The mechanic at the shop where I take the company vehicle suggests water
temperature sensor. I see two, one in the thermostat housing and one
directly in the block next to it. I checked with a meter or removed either
to test them. Which one is it? Should I go out and buy at $30 or should I be
looking for the problem somewhere else?
I did install new plugs and wires, GM (originals) and that improved starting
but it still isn't where it should be. I knew the wires etc. weren't in
great condition as quite often there was some miss firing taking place at
highway speeds.
Any help is greatly appreciated.
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shopper
Guest
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| Posted:
Sun Jan 16, 2005 5:09 pm Post subject:
Re: 89 Celebrity, hard start when cold |
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Correction. I 'haven't' removed either temperature sensor yet. One should
have a resistance value I expect, for the computer, the other should be a
switch for the panel light, right? It's cold outside. :-)
"shopper" <i'm@broke.net> wrote in message
news:10ukjgpg44lase9@corp.supernews.com...
| Quote: | This car is hard starting at temperatures below -18 C. It will fire but
stalls when the starter is released. After several tries it will usually
run, if the battery hasn't died by that time. Once running everything is
fine. A friend gave me a GM computer code reader which comes up with Code
12. The book lists that code as: Diagnostic mode; no distributor signal to
Electronic Control Module; System PASS. Doesn't seem like much help, does
it? :-(
The mechanic at the shop where I take the company vehicle suggests water
temperature sensor. I see two, one in the thermostat housing and one
directly in the block next to it. I checked with a meter or removed either
to test them. Which one is it? Should I go out and buy at $30 or should I
be looking for the problem somewhere else?
I did install new plugs and wires, GM (originals) and that improved
starting but it still isn't where it should be. I knew the wires etc.
weren't in great condition as quite often there was some miss firing
taking place at highway speeds.
Any help is greatly appreciated.
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Ken Weitzel
Guest
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| Posted:
Sun Jan 16, 2005 9:25 pm Post subject:
Re: 89 Celebrity, hard start when cold |
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shopper wrote:
| Quote: | This car is hard starting at temperatures below -18 C. It will fire but
stalls when the starter is released. After several tries it will usually
run, if the battery hasn't died by that time. Once running everything is
fine. A friend gave me a GM computer code reader which comes up with Code
12. The book lists that code as: Diagnostic mode; no distributor signal to
Electronic Control Module; System PASS. Doesn't seem like much help, does
it? :-(
The mechanic at the shop where I take the company vehicle suggests water
temperature sensor. I see two, one in the thermostat housing and one
directly in the block next to it. I checked with a meter or removed either
to test them. Which one is it? Should I go out and buy at $30 or should I be
looking for the problem somewhere else?
I did install new plugs and wires, GM (originals) and that improved starting
but it still isn't where it should be. I knew the wires etc. weren't in
great condition as quite often there was some miss firing taking place at
highway speeds.
Any help is greatly appreciated.
|
Hi...
Thought 12 sounded familiar, so I went and looked it
up.
Mine says that 12 is nothing (no fault); just an indication
that it's in diagnostic mode...
Ken
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shopper
Guest
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| Posted:
Sun Jan 16, 2005 10:31 pm Post subject:
Re: 89 Celebrity, hard start when cold |
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"Ken Weitzel" <kweitzel@shaw.ca> wrote in message
news:LzwGd.92162$6l.14413@pd7tw2no...
| Quote: |
shopper wrote:
This car is hard starting at temperatures below -18 C. It will fire but
stalls when the starter is released. After several tries it will usually
run, if the battery hasn't died by that time. Once running everything is
fine. A friend gave me a GM computer code reader which comes up with Code
12. The book lists that code as: Diagnostic mode; no distributor signal
to Electronic Control Module; System PASS. Doesn't seem like much help,
does it? :-(
The mechanic at the shop where I take the company vehicle suggests water
temperature sensor. I see two, one in the thermostat housing and one
directly in the block next to it. I checked with a meter or removed
either to test them. Which one is it? Should I go out and buy at $30 or
should I be looking for the problem somewhere else?
I did install new plugs and wires, GM (originals) and that improved
starting but it still isn't where it should be. I knew the wires etc.
weren't in great condition as quite often there was some miss firing
taking place at highway speeds.
Any help is greatly appreciated.
Hi...
Thought 12 sounded familiar, so I went and looked it
up.
Mine says that 12 is nothing (no fault); just an indication
that it's in diagnostic mode...
Ken
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That's what I surmised too from the chart. |
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shopper
Guest
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| Posted:
Mon Jan 17, 2005 3:01 am Post subject:
Re: 89 Celebrity, hard start when cold |
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Some follow-up.
I removed both sensors. On is a N/O contact until over heated so this one
would be for the panel high temp light. Not part of my problem, however I
discovered one terminal was broken off so that high temp light would never
have warned danger. This is the one screwed directly into the block.
The other is a resistor type which measured about 32K ohms when cold, (-25
deg C). At room temperature, about 2.7 K ohms.
I'm guessing it's fine and not contributing to my problem.
Where to from here?
"shopper" <i'm@broke.net> wrote in message
news:10ukjgpg44lase9@corp.supernews.com...
| Quote: | This car is hard starting at temperatures below -18 C. It will fire but
stalls when the starter is released. After several tries it will usually
|
<snip> |
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Wendy & John
Guest
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| Posted:
Mon Jan 17, 2005 5:24 am Post subject:
Re: 89 Celebrity, hard start when cold |
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"shopper" <i'm@broke.net>
Car is hard starting at temps below -18 C. It will fire but stalls
when the starter is released. After several tries it will usually
run, if the battery hasn't died. Once running everything is fine.
_____________________________________________________
This can result from a failing ignition switch, where the START contact
provides current to the ignition but the RUN contact is intermittent.
Wendy & John.
_____________________________________________________ |
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Ken Weitzel
Guest
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| Posted:
Mon Jan 17, 2005 7:51 am Post subject:
Re: 89 Celebrity, hard start when cold |
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shopper wrote:
| Quote: | "seeray28" <seeray28@charter.net> wrote in message
news:RuGGd.7559$h01.6992@fe07.lga...
sounds to me like your fuel pressure regulator is shot.
Which would be in the pump and of course that's in the gas tank. That's a
fun job. :-(
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Regulator should be on the fuel rail.
Ken |
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shopper
Guest
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| Posted:
Mon Jan 17, 2005 7:51 am Post subject:
Re: 89 Celebrity, hard start when cold |
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"Wendy & John" <ardanswj@kilobar.net> wrote in message
news:5BDGd.745$Hg6.35@trnddc09...
| Quote: | "shopper" <i'm@broke.net
Car is hard starting at temps below -18 C. It will fire but stalls
when the starter is released. After several tries it will usually
run, if the battery hasn't died. Once running everything is fine.
_____________________________________________________
This can result from a failing ignition switch, where the START contact
provides current to the ignition but the RUN contact is intermittent.
|
Hmmm. Interesting. I would NEVER have thought of looking there, but in cold
weather anything like that would be aggravated. And that would be another
fun job. :-(
| Quote: | Wendy & John.
_____________________________________________________
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shopper
Guest
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| Posted:
Mon Jan 17, 2005 7:51 am Post subject:
Re: 89 Celebrity, hard start when cold |
|
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"seeray28" <seeray28@charter.net> wrote in message
news:RuGGd.7559$h01.6992@fe07.lga...
| Quote: | sounds to me like your fuel pressure regulator is shot.
|
Which would be in the pump and of course that's in the gas tank. That's a
fun job. :-(
| Quote: |
"shopper" <i'm@broke.net> wrote in message
news:10ulp48pokkje4b@corp.supernews.com...
Some follow-up.
I removed both sensors. On is a N/O contact until over heated so this one
would be for the panel high temp light. Not part of my problem, however I
discovered one terminal was broken off so that high temp light would
never
have warned danger. This is the one screwed directly into the block.
The other is a resistor type which measured about 32K ohms when cold,
(-25
deg C). At room temperature, about 2.7 K ohms.
I'm guessing it's fine and not contributing to my problem.
Where to from here?
"shopper" <i'm@broke.net> wrote in message
news:10ukjgpg44lase9@corp.supernews.com...
This car is hard starting at temperatures below -18 C. It will fire but
stalls when the starter is released. After several tries it will
usually
snip
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seeray28
Guest
|
| Posted:
Mon Jan 17, 2005 7:51 am Post subject:
Re: 89 Celebrity, hard start when cold |
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sounds to me like your fuel pressure regulator is shot.
"shopper" <i'm@broke.net> wrote in message
news:10ulp48pokkje4b@corp.supernews.com...
| Quote: | Some follow-up.
I removed both sensors. On is a N/O contact until over heated so this one
would be for the panel high temp light. Not part of my problem, however I
discovered one terminal was broken off so that high temp light would never
have warned danger. This is the one screwed directly into the block.
The other is a resistor type which measured about 32K ohms when cold, (-25
deg C). At room temperature, about 2.7 K ohms.
I'm guessing it's fine and not contributing to my problem.
Where to from here?
"shopper" <i'm@broke.net> wrote in message
news:10ukjgpg44lase9@corp.supernews.com...
This car is hard starting at temperatures below -18 C. It will fire but
stalls when the starter is released. After several tries it will usually
snip
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