Erratic idle, codes P0108, P1297,and P0172

2000 DODGE CARAVAN
165,000 MILES • 3.0L • V6 • 2WD • AUTOMATIC
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DAVID JOYNER
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  • 1 POST
Cuts off while idling and lack of power. I have three codes, P0108, P1297,and P0172.
Feb 2, 2019 at 8:43 PM
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SEVAG P
  • CERTIFIED EXPERT
  • 405 POSTS
Hello, thank for using 2CarPros.

For the fault code p0108
SYMPTOM
P0108 - MAP SENSOR VOLTAGE TOO HIGH(check pic1 and 2)

WHEN MONITORED
With engine speed above 400 rpm but less than 1500 rpm and closed throttle.

SET CONDITION
The MAP Sensor Signal voltage is greater than 4.6

POSSIBLE CAUSES
- MAP sensor ground circuit open
- MAP sensor signal circuit open
- Map sensor defective
- MAP sensor wiring harness and connector intermittent defect
- MAP sensor wiring harness and connector observable defect
- PCM defective (MAP sensor voltage too high)
for fault p1297:(check pic3,4,5)
SYMPTOM
P1297 - NO CHANGE IN MAP FROM START TO RUN

WHEN MONITORED
Engine is idling with a stable rpm (rpm fluctuation
Feb 3, 2019 at 5:49 AM