Lly injector balance rates.

Henry95

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Apr 4, 2015
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I have 325,000 km on stock injectors. Noticed a louder injector nock so I check balance and #5 is 4.3 in park. The rest are within +/- 3. In drive it's up to 6.9 again the rest are within spec. Is it worth it to replace that one injector or should I park it and wait till I can replace all of them? I know I should just park it and at least wait for the one injector but my other truck blew headgaskets. Should have it done this weekend, is it okay to drive it till then or is there a chance of injector failure. I really don't want to wreck anything. Balance rates checked with my cts.


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Henry95

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Apr 4, 2015
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Well checked after supper with the girlfriend and 3 injectors are over 4 idling. The one really high one hit 8 in drive so it will be getting parked till I can afford injectors. Maybe I could get rid of the gf and afford them. Lol.
She actually pays for a lot of stuff since I am not working.


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Henry95

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Apr 4, 2015
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This morning there all good. The one that was showing high is 1.0 why would they change that much. Guess I should do a return test.


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Henry95

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Apr 4, 2015
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Yes. When they were really bad the motor was a bit warmer. Maybe 15c


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Awenta

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Sep 28, 2014
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CT
Need to check with the motor at operating temperature.

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Chevy1925

don't know sh!t about IFS
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Oct 21, 2009
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Phoenix Az
And give us what the main injection rate is as well. then a list of what all the balance rates are
 

Henry95

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Apr 4, 2015
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9dc8d0a3ade2fe5e06cedb1b71264a44.jpg

Those rates are way better than yesterday. Number five yesterday was at 5.4 and in drive at 7.8. Number 2 was 3.8-4.1. In drive it was about the same.

5ec0663605a0d2fd8a652bd7ba711de1.jpg




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Chevy1925

don't know sh!t about IFS
Staff member
Oct 21, 2009
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1,101
113
Phoenix Az
That -2 you see is most likely main injection timing, not main injection fuel rate. I don't know if the cts will shownit