Vacuum Leaks Caused by Cracking Plastic Vacuum Tubes on Dodge Dakota

Various drivability problems can be caused by vacuum leaks. This engine has plastic tubes that become brittle and crack over time. These tubes can be replaced by normal vacuum hose but be careful when changing the Tee fittings or hose connectors because some have built in restrictor orifices (usually color coded). If the restrictions are missing, drivability problems will most likely result.

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Average mileage: 121,965 (53,000–197,896)
Exhaust & Emissions affected: 2.5L 4 Cylinder
8 model years affected: 1990, 1991, 1992, 1993, more1994, 1995, 1996, 1997
14 people reported this problem
3 people shared problem details
chuggs, whezzes, dies randomly. but loves off roading .. go figure.. oh and this gets like 5-7 mph.. still an ok farm truck..
Vacuum line going to PVC was cracked at intake
1996 Dodge Dakota53,000
Codes indicated " stuck in lean " replacement of oxygen sensors did not clear fault. CO% was high on emmissions test. Mechanic found vac leak and repaired.
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