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 Injector replacement
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Dvorak
Senior Member

United States
52 Posts

Posted - 03/26/2014 :  12:29:39 PM  Show Profile  Reply with Quote
Looking for some advice. When replacing a bad injector on a DT466, do you replace only the bad ones or do you do the whole set? Last week I had one running rough. I found out that the #2 injector was the cause. I also had an inactive code for an open coil on injector #1. Both of these injectors were replaced. It ran great for 3 days and the #3 injector went out. Past practice here has been replacing the $385 injectors one at a time when they go out insteading of doing the whole set for $2300. Any thoughts and opinions would be much appreciated.

second.flood
Advanced Member

USA
364 Posts

Posted - 03/26/2014 :  1:24:16 PM  Show Profile  Reply with Quote
I just had a bus with bad injector o-rings. The 2001 DT466 bus had 8,000 plus hours. I plan to have the bus another 5 years minimum.
It received 6 brand new injectors.
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JoeHEB1
Senior Member

99 Posts

Posted - 03/26/2014 :  2:00:21 PM  Show Profile  Visit JoeHEB1's Homepage  Reply with Quote
Replace all of them, it's the only way to go. I just replaced a set myself.
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C.HARDY
Advanced Member

354 Posts

Posted - 03/26/2014 :  5:08:49 PM  Show Profile  Click to see C.HARDY's MSN Messenger address  Reply with Quote
Not sure about a 466 but man it makes a difference on a 444 if you give them a fresh set of injectors. Almost like a new engine they run so good

"Hardybusman"
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Dvorak
Senior Member

United States
52 Posts

Posted - 03/27/2014 :  09:18:30 AM  Show Profile  Reply with Quote
Thanks for the input guys.
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eddo
Senior Member

USA
89 Posts

Posted - 03/27/2014 :  09:27:45 AM  Show Profile  Reply with Quote
I've done one by itself if the budget is really tight, but will fight with the boss to do all 6. Same with glowplugs on engines that need them. You are in there, you already have stuff out of the way, and if one(or 2) failed, then the rest aren't gonna be far behind.

My vote is do them all.
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