2003 Dodge Caravan no start

Tiny
SLIMJIM42
  • MEMBER
  • 2003 DODGE CARAVAN
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 60,000 MILES
I have replaced the IAC and the temperature sensor and my van will not start below 40 degrees
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Saturday, December 19th, 2009 AT 1:29 PM

6 Replies

Tiny
BMRFIXIT
  • EXPERT
Will it start if while cranking stepped on gas a bit
if so check IAC circuit if not
check it for tune up
check if coil have a nice blue and strong spark
check fuel for contamination and check fuel pressure
was it check for codes
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Saturday, December 19th, 2009 AT 6:44 PM
Tiny
BMRFIXIT
  • EXPERT
Did he checked for codes?
Does he have a scanner tool that he can check PCM data
let me know
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Sunday, December 20th, 2009 AT 4:29 PM
Tiny
SLIMJIM42
  • MEMBER
Yes he checked for codes and not one code came up.
Also there was no check engine light on.
He checked for a bad O2 sensor and on the scanner the pre and post O2 sensor. The pre O2 sensor came up all 0's were the post O2 sensor fluctuated with numbers. So he replaced the pre O2 sensor and it started up right away, but now the Check Engine light is on! So we now have got the van running, but the check engine light is on do you think the post O2 sensor is bad also?
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Sunday, December 20th, 2009 AT 5:23 PM
Tiny
BMRFIXIT
  • EXPERT
Replacing just one O2 sensor may cause a fault readings as old O2 maybe slow to respond

1st I would do is check for codes
let me know what you have for codes
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Sunday, December 20th, 2009 AT 6:00 PM
Tiny
SLIMJIM42
  • MEMBER
Just wanted to tell you how helpful you really are. Yes the O2 sensor did finally go off.
The code that was taken prior was P0139 and after replacing the O2 sensor is now P0172. So yes it was a delayed, but the check engine light did go off.
Thank you for all your help! I would recommend you guys to anybody.
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Tuesday, December 22nd, 2009 AT 7:42 AM
Tiny
BMRFIXIT
  • EXPERT
Thank you
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Sunday, January 3rd, 2010 AT 9:29 AM

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