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Isuzu Trooper Owners Club UK™ Isuzu Trooper, Rodeo, Bighorn, Mu & VehiCROSS Owners Club
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wonderd **
Joined: 17 Mar 2014 Posts: 99 Location: ISRAEL
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Posted: Wed Apr 24, 2019 7:43 Post subject: which grade are my injectors? |
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hi there - not sure if to use the 2 digit number or the digits from long number...
[img]http://www.jeepolog.com/forums/attachment.php?attachmentid=123841&d=1556088122[/img] _________________ Isuzu trooper 02 3.0L with TOD |
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Posted: Wed Apr 24, 2019 7:43 Post subject: Google Ads keep this community free to join! |
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wonderd **
Joined: 17 Mar 2014 Posts: 99 Location: ISRAEL
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Posted: Wed Apr 24, 2019 7:45 Post subject: |
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forgot to write thank you
Elad. _________________ Isuzu trooper 02 3.0L with TOD |
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Browndoff *****
Joined: 22 Mar 2013 Posts: 513 Location: Dublin 13, Ireland
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Posted: Mon Jun 24, 2019 22:29 Post subject: Injector Grade-Codes |
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Hi Elad,
The 'isolated' two-digit number [42 in your picture] is the Grade-Code produced by testing the flow from that particular injector AFTER manufacture. That equates to B1 for the purpose of setting-up the injector with a Tech-2 to calibrate it into the ECU.
A1 = 20 > 26 B1 = 40 > 46
A2 = 27 > 33 B2 = 47 > 53
A3 = 34 > 39 B3 = 54 > 60
C1 = 61 > 67 C2 = 68 > 74
This simple table shows the Codes for the normal range of TWO-DIGIT numbers seen on top of the injectors. It's considered best to have 4 matching injectors - i.e. all the 2-digit numbers within the same code-band. Theoretically, though, one could set each cylinder to its own individual code with the Tech-2. If one injector becomes faulty, many would consider that the whole set should be replaced - but that's expensive - one could replace the faulty one alone and NOT EVEN HAVE TO RE-CODE THE ECU - provided the replacement injector's 2-digit code was within the same band [plus-or-minus 3].
I 'got away' with buying a second-hand set, matching with #37 [originals were matching with #42, like yours] and they have functioned very well for several years [without re-coding]!
Good Luck! _________________ 2002 LWB Trooper 3.0L
I've done some major repairs, including replacing half-shaft, replacing fuel-injectors etc. |
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wonderd **
Joined: 17 Mar 2014 Posts: 99 Location: ISRAEL
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Posted: Tue Jun 25, 2019 4:52 Post subject: |
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Thank you. _________________ Isuzu trooper 02 3.0L with TOD |
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eithan h Moderator
Joined: 11 Dec 2005 Posts: 8195 Location: oxfordish
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Posted: Tue Jun 25, 2019 18:41 Post subject: |
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