Question about 1989 Dodge Colt Vista
SOURCE: egr valve
Hello do you have engine service light on and if so was it scaned with OBD 2 scaner to retreve this fault "EGR" service eng light would be on if EGR is at fault! did you change your oil before E test and what is your milage on this car and do you know if you engine is a long "BLOCK" or short Block"
Posted on Dec 23, 2008
SOURCE: failed etest
have you done a tune up on it sometimes bad wires ,plugs so on can cause that problem run some good carb & fuel injection cleaner in it for a while see what happens
Posted on Jan 16, 2010
Testimonial: "thanks replaced everything but wires"
NOX is produced when cylinder temperatures exceed 2500 f.
Your vehicle has 2 ways to directly reduce NOX, EGR system, and catalytic converter, and also the cooling system indirectly.
Take a look at the EGR system, vacuum lines, pipes, and make sure the diaphragm moves. Disconnect the vacuum line, then push on the diaphragm and plug the hole (from vacuum line) when you release the diaphragm there should be vacuum. Also you may want to take it out and give the EGR passages and EGR valve a good cleaning, with some type of carbon cleaner like carb cleaner.
Posted on Mar 10, 2010
the electronic vacuum regulator, also the solenoid and the differential pressure feedback sensor. check for specified voltage for vehicle cold and warm. all components should be on same line.
Posted on Jul 02, 2010
SOURCE: EGR sensor replacement
EGR valves were a common failure item for the 05 Caravans. Ours died at 42k miles.
The sensor and valve are serviced as a unit. Expect to pay $150-200 to have it done, or you can DIY or less than $100.
Posted on Jul 06, 2010
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