Hello AlanC, I have just fixed a number of probs on my 2.5 CRD 2002. But I still have exactly the same black smoke problems you describe having. In the 2003 Service manual there is a simple procedure for testing your injectors (section 14-17). Unfortunately, I cannot post the attachment here... filesize limit is way too low. PM me your e-mail and I'll email it to you. Rgds, kkc.
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Originally Posted by kkc
(Post 83495)
Hello AlanC, I have just fixed a number of probs on my 2.5 CRD 2002. But I still have exactly the same black smoke problems you describe having. In the 2003 Service manual there is a simple procedure for testing your injectors (section 14-17).
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Just tested it. on number 4 i got a few drops... 7ml maybe. On numbers 1-3 I got about 12-15ml each. Number 1 is closest to timing belt. I did not do the combined test for 100ml or more as the return tube and tee are a bit tight to get to.
So according to the Chrysler serviuce manual, this means that the injectors are ok, although the spray pattern may be sub-optimal. I have also heard that if the variation between any two injectors is >10% there is a problem with one injector either releasing too much fuel into the piston (low leak off) or too little (high leak off). In summary I have great acceleration, great consumption and a ton of black smoke when hard accelerating...and the exhaust is irritating to the eyes.. i.e. fuel/air mix is rich. As far as I can tell all airways are clear.. changed air filter and fuel filter (which was very dirty - note to self, change fuel filter every year on any diesel...!). Previously I installed new EGR valve and solenoid, cleaned the EGR out pipe which was badly blocked. If anyone has any other ideas - I am all ears...! |
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