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PT "missing" at idle...



 
 
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  #1  
Old November 21st 04, 01:31 PM
BREWERPAUL
external usenet poster
 
Posts: n/a
Default PT "missing" at idle...

Hi-- My '03 Cruiser with 18K miles seems to be missfiring at idle when warmed
up. It'll be running smoothly, then it will miss . Usually it's only one miss,
but sometimes there will be two or even three in a row. While waiting at the
average traffic light, this might happen several times. The car runs fine while
actually driving.
It may or may not be related, but in the past several weeks I've had a hard
time starting the car first thing in the morning. Most days it's fine, but
about 3 times I've really had to crank it for a LONG time before the engine
caught. Nights are getting cooler in upstate NY, but not really cold yet (30's
-4o's).
The dealer tells me there is a TSB calling for a different type of plug and new
plug wires. Think this will fix both problems? FWIW-- on separate occasions
they've already replaced two plugs on this relatively low mileage car...

******************************
Got wood?
Check out my exotic hardwood pennywhistles at fair
prices...http://www.Busmanwhistles.com


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  #2  
Old November 21st 04, 01:45 PM
maxpower
external usenet poster
 
Posts: n/a
Default

You should post what yr your vehicle is if you want to know about the latest
TSB's, but that is what is sounds like to me, replace the plugs and wires,
Normally the check engine lite will turn on with a cyl misfire code. But i
have run into this many times when the vehicle is misfiring and no codes are
set and the monitor doesnt even let you see it misfiring.
Glenn Beasley
Chrysler Tech
"BREWERPAUL" > wrote in message
...
> Hi-- My '03 Cruiser with 18K miles seems to be missfiring at idle when

warmed
> up. It'll be running smoothly, then it will miss . Usually it's only one

miss,
> but sometimes there will be two or even three in a row. While waiting at

the
> average traffic light, this might happen several times. The car runs fine

while
> actually driving.
> It may or may not be related, but in the past several weeks I've had a

hard
> time starting the car first thing in the morning. Most days it's fine, but
> about 3 times I've really had to crank it for a LONG time before the

engine
> caught. Nights are getting cooler in upstate NY, but not really cold yet

(30's
> -4o's).
> The dealer tells me there is a TSB calling for a different type of plug

and new
> plug wires. Think this will fix both problems? FWIW-- on separate

occasions
> they've already replaced two plugs on this relatively low mileage car...
>
> ******************************
> Got wood?
> Check out my exotic hardwood pennywhistles at fair
> prices...http://www.Busmanwhistles.com
>
>



  #3  
Old November 21st 04, 01:45 PM
maxpower
external usenet poster
 
Posts: n/a
Default

You should post what yr your vehicle is if you want to know about the latest
TSB's, but that is what is sounds like to me, replace the plugs and wires,
Normally the check engine lite will turn on with a cyl misfire code. But i
have run into this many times when the vehicle is misfiring and no codes are
set and the monitor doesnt even let you see it misfiring.
Glenn Beasley
Chrysler Tech
"BREWERPAUL" > wrote in message
...
> Hi-- My '03 Cruiser with 18K miles seems to be missfiring at idle when

warmed
> up. It'll be running smoothly, then it will miss . Usually it's only one

miss,
> but sometimes there will be two or even three in a row. While waiting at

the
> average traffic light, this might happen several times. The car runs fine

while
> actually driving.
> It may or may not be related, but in the past several weeks I've had a

hard
> time starting the car first thing in the morning. Most days it's fine, but
> about 3 times I've really had to crank it for a LONG time before the

engine
> caught. Nights are getting cooler in upstate NY, but not really cold yet

(30's
> -4o's).
> The dealer tells me there is a TSB calling for a different type of plug

and new
> plug wires. Think this will fix both problems? FWIW-- on separate

occasions
> they've already replaced two plugs on this relatively low mileage car...
>
> ******************************
> Got wood?
> Check out my exotic hardwood pennywhistles at fair
> prices...http://www.Busmanwhistles.com
>
>



  #4  
Old November 21st 04, 06:54 PM
SRG
external usenet poster
 
Posts: n/a
Default

The OEM wires haven't had the best history, I've heard some PT owners having
ignition problems getting them replaced under warranty. Also, at 18k miles
you might want to replace the full set of spark plugs, yeah I know you had 2
done already, but it might be worth it.

SRG

"BREWERPAUL" > wrote in message
...
> Hi-- My '03 Cruiser with 18K miles seems to be missfiring at idle when
> warmed
> up. It'll be running smoothly, then it will miss . Usually it's only one
> miss,
> but sometimes there will be two or even three in a row. While waiting at
> the
> average traffic light, this might happen several times. The car runs fine
> while
> actually driving.
> It may or may not be related, but in the past several weeks I've had a
> hard
> time starting the car first thing in the morning. Most days it's fine, but
> about 3 times I've really had to crank it for a LONG time before the
> engine
> caught. Nights are getting cooler in upstate NY, but not really cold yet
> (30's
> -4o's).
> The dealer tells me there is a TSB calling for a different type of plug
> and new
> plug wires. Think this will fix both problems? FWIW-- on separate
> occasions
> they've already replaced two plugs on this relatively low mileage car...
>
> ******************************
> Got wood?
> Check out my exotic hardwood pennywhistles at fair
> prices...http://www.Busmanwhistles.com
>
>



  #5  
Old November 21st 04, 06:54 PM
SRG
external usenet poster
 
Posts: n/a
Default

The OEM wires haven't had the best history, I've heard some PT owners having
ignition problems getting them replaced under warranty. Also, at 18k miles
you might want to replace the full set of spark plugs, yeah I know you had 2
done already, but it might be worth it.

SRG

"BREWERPAUL" > wrote in message
...
> Hi-- My '03 Cruiser with 18K miles seems to be missfiring at idle when
> warmed
> up. It'll be running smoothly, then it will miss . Usually it's only one
> miss,
> but sometimes there will be two or even three in a row. While waiting at
> the
> average traffic light, this might happen several times. The car runs fine
> while
> actually driving.
> It may or may not be related, but in the past several weeks I've had a
> hard
> time starting the car first thing in the morning. Most days it's fine, but
> about 3 times I've really had to crank it for a LONG time before the
> engine
> caught. Nights are getting cooler in upstate NY, but not really cold yet
> (30's
> -4o's).
> The dealer tells me there is a TSB calling for a different type of plug
> and new
> plug wires. Think this will fix both problems? FWIW-- on separate
> occasions
> they've already replaced two plugs on this relatively low mileage car...
>
> ******************************
> Got wood?
> Check out my exotic hardwood pennywhistles at fair
> prices...http://www.Busmanwhistles.com
>
>



  #6  
Old November 21st 04, 06:58 PM
pottsy
external usenet poster
 
Posts: n/a
Default

hiya,

had the same thing on the '04 Cruiser, after changing the cat (still
missing) the dealer then changed the plugs and the problem mostly went away
(the engine still occasionally takes time to "wake up" after overrun i.e. no
immediate throttle response, the dealer said this was the fuel computer
resetting itself (?) and is normal. Needless to say the dealer doesn't get
the regular service work.

the engine check idiot light never came on.

the dealer did say that the standard plugs were a known fault and that
japanese plugs performed much better in this engine.

m




  #7  
Old November 21st 04, 06:58 PM
pottsy
external usenet poster
 
Posts: n/a
Default

hiya,

had the same thing on the '04 Cruiser, after changing the cat (still
missing) the dealer then changed the plugs and the problem mostly went away
(the engine still occasionally takes time to "wake up" after overrun i.e. no
immediate throttle response, the dealer said this was the fuel computer
resetting itself (?) and is normal. Needless to say the dealer doesn't get
the regular service work.

the engine check idiot light never came on.

the dealer did say that the standard plugs were a known fault and that
japanese plugs performed much better in this engine.

m




  #8  
Old November 21st 04, 08:06 PM
maxpower
external usenet poster
 
Posts: n/a
Default

hmm you did post the yr, my bad!! where was i at?
"maxpower" > wrote in message
...
> You should post what yr your vehicle is if you want to know about the

latest
> TSB's, but that is what is sounds like to me, replace the plugs and wires,
> Normally the check engine lite will turn on with a cyl misfire code. But i
> have run into this many times when the vehicle is misfiring and no codes

are
> set and the monitor doesnt even let you see it misfiring.
> Glenn Beasley
> Chrysler Tech
> "BREWERPAUL" > wrote in message
> ...
> > Hi-- My '03 Cruiser with 18K miles seems to be missfiring at idle when

> warmed
> > up. It'll be running smoothly, then it will miss . Usually it's only

one
> miss,
> > but sometimes there will be two or even three in a row. While waiting

at
> the
> > average traffic light, this might happen several times. The car runs

fine
> while
> > actually driving.
> > It may or may not be related, but in the past several weeks I've had a

> hard
> > time starting the car first thing in the morning. Most days it's fine,

but
> > about 3 times I've really had to crank it for a LONG time before the

> engine
> > caught. Nights are getting cooler in upstate NY, but not really cold yet

> (30's
> > -4o's).
> > The dealer tells me there is a TSB calling for a different type of plug

> and new
> > plug wires. Think this will fix both problems? FWIW-- on separate

> occasions
> > they've already replaced two plugs on this relatively low mileage car...
> >
> > ******************************
> > Got wood?
> > Check out my exotic hardwood pennywhistles at fair
> > prices...http://www.Busmanwhistles.com
> >
> >

>
>



  #9  
Old November 21st 04, 08:06 PM
maxpower
external usenet poster
 
Posts: n/a
Default

hmm you did post the yr, my bad!! where was i at?
"maxpower" > wrote in message
...
> You should post what yr your vehicle is if you want to know about the

latest
> TSB's, but that is what is sounds like to me, replace the plugs and wires,
> Normally the check engine lite will turn on with a cyl misfire code. But i
> have run into this many times when the vehicle is misfiring and no codes

are
> set and the monitor doesnt even let you see it misfiring.
> Glenn Beasley
> Chrysler Tech
> "BREWERPAUL" > wrote in message
> ...
> > Hi-- My '03 Cruiser with 18K miles seems to be missfiring at idle when

> warmed
> > up. It'll be running smoothly, then it will miss . Usually it's only

one
> miss,
> > but sometimes there will be two or even three in a row. While waiting

at
> the
> > average traffic light, this might happen several times. The car runs

fine
> while
> > actually driving.
> > It may or may not be related, but in the past several weeks I've had a

> hard
> > time starting the car first thing in the morning. Most days it's fine,

but
> > about 3 times I've really had to crank it for a LONG time before the

> engine
> > caught. Nights are getting cooler in upstate NY, but not really cold yet

> (30's
> > -4o's).
> > The dealer tells me there is a TSB calling for a different type of plug

> and new
> > plug wires. Think this will fix both problems? FWIW-- on separate

> occasions
> > they've already replaced two plugs on this relatively low mileage car...
> >
> > ******************************
> > Got wood?
> > Check out my exotic hardwood pennywhistles at fair
> > prices...http://www.Busmanwhistles.com
> >
> >

>
>



  #10  
Old November 21st 04, 08:31 PM
BREWERPAUL
external usenet poster
 
Posts: n/a
Default

>
>You should post what yr your vehicle is if you want to know about the latest
>TSB's,


Forgot that: it's an '03

******************************
Got wood?
Check out my exotic hardwood pennywhistles at fair
prices...http://www.Busmanwhistles.com


 




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