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2012 R/t Bad Miss When Cold
#41
Posted 04 January 2012 - 05:56 AM
2012 Ram Express Quad in Bright White
Mods:
None
Sold:(Traded) 2/26/12
#42
Posted 04 January 2012 - 06:36 AM
#43
Posted 04 January 2012 - 08:20 AM
Stevo
11.55 @ 118.77 mph with a 1.61 60' June 14th 2014 London Motorsports Park


530 rwhp 458 trq
"Tooned by Mike @ OST"
#44
Posted 04 January 2012 - 08:28 AM
#45
Posted 04 January 2012 - 08:30 AM
Pay no attention to Speedy, he's just a tire kicker. Remember he just bought a new house.
They probably realized that - that's why they didn't offer him a test drive initially - just a waste of the salesman's time.
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#46
Posted 04 January 2012 - 09:41 AM
Pay no attention to Speedy, he's just a tire kicker. Remember he just bought a new house.
Well, I lived in my old house for 12 years on a 15 year mortgage and got a good price for it when I sold it considering the market. So honestly the new place isn't costing me much more than the old one, so that's not really a consideration. That was one of the reasons I pulled the trigger on that deal. Right place right time kinda thing.
However, for a car like this I won't compromise. I have to like the color, the drive, handling, power, etc. When I was shopping the Challenger it was Hemi Orange or nothing, 6 speed, no sun roof, etc. One just happened to show up the very next day at the dealership exactly like I wanted. Another dealer had searched and couldn't locate one within 500 miles.
Jay, remember, if you trade the RT.... I have already called dibs on your engine covers!
Stevo
Roger that. I may strip the car down. Haven't decided yet. I'll likely put it up for sale whole and see if I get any bites, if not I'll start yanking parts.
-Speedy
Orange Krush
Arrington Powered 2009 R/T 6 Speed Tuned by [email protected]
#47
Posted 04 January 2012 - 11:52 AM
The service manager just called me and said changing the plugs didnt make a damn bit of difference as he drove it himself this morning. He spoke to Chrysler again and they told him to put a different gauge on it and log the results and send it to them to see wht the sensors are doing. He also went and drove the other car on the lot and admitted there is no problem with that one and it was a big difference in the way the car responded and souinds as compared to mine.
Last night I sent a letter to the sales manager there, and told him Nevada lemon law states that 4 times in for the same problem constitutes a lemon and if they do not fix it this time, I will be going in that direction.
They are keeping the car overnight again as it was already warmed up and they want it to log the readings on a cold motor.
Vince
#48
Posted 04 January 2012 - 12:03 PM
-Speedy
Orange Krush
Arrington Powered 2009 R/T 6 Speed Tuned by [email protected]
#49
Posted 04 January 2012 - 12:23 PM
If they ever get it right I have decided to make the 2200 mile one way trip to CF3 just to meet you guys in person.....
#50
Posted 04 January 2012 - 12:24 PM
-Speedy
Orange Krush
Arrington Powered 2009 R/T 6 Speed Tuned by [email protected]
#51
Posted 04 January 2012 - 01:31 PM
Slowest supercharged Challenger. Ever.
#52
Guest_HemiRob_*
Posted 04 January 2012 - 01:37 PM
Guest_HemiRob_*
When it is cold, doesn't operate on a set parameter or table and then one it hits 160 or so degrees starts using sensors to adjust to the operating conditions...or do I have that backwards?
That is correct
#53
Posted 04 January 2012 - 01:41 PM
Could also be a bad connection electrically somewhere that only shows up when cold.
-Speedy
Orange Krush
Arrington Powered 2009 R/T 6 Speed Tuned by [email protected]
#54
Posted 04 January 2012 - 01:43 PM
Speedy and I hit enter at the same time.
Slowest supercharged Challenger. Ever.
#55
Posted 04 January 2012 - 01:44 PM
Again, its what I was told and I am really beginning to wonder if they actually know anything or its just more BS from Chrysler and their crap about its normal
#56
Guest_HemiRob_*
Posted 04 January 2012 - 02:24 PM
Guest_HemiRob_*
When the engine is cold, most electronic engine controls go into open loop. In this mode, the control loop is not a complete cycle because the pcm doesn't react to feed back data. Instead, the pcm makes decisions based on preprogramed info that allows it to make basic ignition and afr settings and disregard sensor info. Open loop is activated when a signal from the temp sensor indicates the temp is too low for gas to properly vaporize and burn. Also while idleing and WOT you go into open loop.
Sorry for this long post.
#57
Posted 04 January 2012 - 02:35 PM
#58
Posted 04 January 2012 - 02:53 PM
So according to this it couldnt be a sensor causing the problem.... Its the computer making some shitty decisions?Here's some open loop info:
When the engine is cold, most electronic engine controls go into open loop. In this mode, the control loop is not a complete cycle because the pcm doesn't react to feed back data. Instead, the pcm makes decisions based on preprogramed info that allows it to make basic ignition and afr settings and disregard sensor info. Open loop is activated when a signal from the temp sensor indicates the temp is too low for gas to properly vaporize and burn. Also while idleing and WOT you go into open loop.
Sorry for this long post.
#59
Posted 04 January 2012 - 02:59 PM
Slowest supercharged Challenger. Ever.
#60
Guest_HemiRob_*
Posted 04 January 2012 - 03:25 PM
Guest_HemiRob_*
So according to this it couldnt be a sensor causing the problem.... Its the computer making some shitty decisions?
All of that info i posted is word for word from one of my automotive books that i have from when I was in school for auto repair. Looks looks like you should have the PCM reflashed, but i would wait to do that after they record data the next time they run your car while cold.
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