Diesel - Troubleshooting and Maintenance

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Complete Filter List for 81-87 Diesel P'ups

Last post by JoeIsuzu « Sun Mar 13, 2022 9:54 pm
Replies: 63
by DieselSmoke » Sun Nov 05, 2006 12:33 am
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63 Replies

161421 Views

Last post by JoeIsuzu
Sun Mar 13, 2022 9:54 pm
Trusted Mechanics - Listed by State

Last post by spideypop « Tue Mar 01, 2022 10:00 am
Replies: 20
by JoeIsuzu » Tue Dec 31, 2013 11:05 am
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20 Replies

50453 Views

Last post by spideypop
Tue Mar 01, 2022 10:00 am
Oil leak, front crank seal or not?

Last post by isuzu Specialities « Mon May 19, 2025 5:44 pm
Replies: 15
by Tvpup » Tue May 13, 2025 12:14 am
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15 Replies

212 Views

Last post by isuzu Specialities
Mon May 19, 2025 5:44 pm
Leaking injection pump

Last post by Paul « Mon May 05, 2025 12:35 am
Replies: 3
by Tvpup » Thu May 01, 2025 11:14 pm

3 Replies

444 Views

Last post by Paul
Mon May 05, 2025 12:35 am
How does the pump on the generator work?

Last post by isuzu Specialities « Fri May 02, 2025 11:07 pm
Replies: 17
by Boltass » Mon Apr 28, 2025 5:00 am
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17 Replies

1388 Views

Last post by isuzu Specialities
Fri May 02, 2025 11:07 pm
1982 diesel IP replaced with thermo king IP

Last post by gruff54 « Tue Apr 22, 2025 5:31 am
Replies: 34
by francis.hamre » Thu Feb 06, 2025 9:23 am
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34 Replies

7448 Views

Last post by gruff54
Tue Apr 22, 2025 5:31 am
Inaccurate fuel gauge

Last post by badongo « Thu Apr 17, 2025 11:00 pm
Replies: 30
by spideypop » Mon Mar 03, 2025 7:38 am
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30 Replies

12305 Views

Last post by badongo
Thu Apr 17, 2025 11:00 pm
Alternative Injector Nozzles - Isuzu C190

Last post by badongo « Thu Mar 27, 2025 10:14 am
Replies: 9
by badongo » Wed Mar 05, 2025 4:57 pm

9 Replies

4305 Views

Last post by badongo
Thu Mar 27, 2025 10:14 am
No voltage at glow plug rail

Last post by isuzu Specialities « Sun Mar 23, 2025 7:46 pm
Replies: 4
by jacktwease » Sun Mar 23, 2025 2:02 pm

4 Replies

1494 Views

Last post by isuzu Specialities
Sun Mar 23, 2025 7:46 pm
Trooper gen. 2.2 diesel - vac pmp feed line infos

Last post by mcc « Wed Feb 26, 2025 9:57 am
Replies: 7
by mcc » Mon Mar 07, 2022 10:31 am

7 Replies

6543 Views

Last post by mcc
Wed Feb 26, 2025 9:57 am
Speedometer cable length.

Last post by Boltass « Tue Feb 25, 2025 2:33 pm
Replies: 3
by Boltass » Sat Feb 15, 2025 6:51 am

3 Replies

4093 Views

Last post by Boltass
Tue Feb 25, 2025 2:33 pm
Any expert diesel advice?

Last post by Rodzbuck « Fri Feb 14, 2025 10:07 pm
Replies: 3
by Smokestack lightning » Wed Feb 12, 2025 8:29 pm

3 Replies

3851 Views

Last post by Rodzbuck
Fri Feb 14, 2025 10:07 pm
1981 Isuzu Diesel 4FB1 to 87 Pup Conversion Issues

Last post by heathw « Sat Feb 01, 2025 8:20 am
Replies: 6
by lpsipes » Sun Jan 19, 2025 12:59 am

6 Replies

4220 Views

Last post by heathw
Sat Feb 01, 2025 8:20 am
Hard cold start - possibly down on power - help!

Last post by Halden « Mon Jan 20, 2025 5:00 pm
Replies: 65
by fen » Sat Mar 30, 2024 5:20 am
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65 Replies

23147 Views

Last post by Halden
Mon Jan 20, 2025 5:00 pm
Description for 3 wires on top of IP

Last post by Paul « Sat Jan 18, 2025 4:01 am
Replies: 9
by cwill » Thu Jan 16, 2025 10:13 pm

9 Replies

4295 Views

Last post by Paul
Sat Jan 18, 2025 4:01 am
Rough cold start

Last post by fen « Fri Jan 17, 2025 9:56 am
Replies: 19
by robgt22 » Wed Dec 13, 2023 10:54 pm
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19 Replies

12963 Views

Last post by fen
Fri Jan 17, 2025 9:56 am
2.8T cold start NKR 55

Last post by JoeIsuzu « Wed Jan 08, 2025 4:53 pm
Replies: 5
by Tommy1389 » Tue Jan 07, 2025 3:13 pm

5 Replies

3988 Views

Last post by JoeIsuzu
Wed Jan 08, 2025 4:53 pm
Battery size

Last post by spideypop « Sat Dec 21, 2024 5:04 pm
Replies: 3
by Halden » Fri May 26, 2023 8:23 pm

3 Replies

8873 Views

Last post by spideypop
Sat Dec 21, 2024 5:04 pm
Isuzu KB 26

Last post by puttputtinpup « Wed Dec 04, 2024 11:02 am
Replies: 2
by IsuzuKBD26 » Sun Dec 01, 2024 9:57 am

2 Replies

3855 Views

Last post by puttputtinpup
Wed Dec 04, 2024 11:02 am
c223 rear main seal info for 81alaskapup

Last post by puttputtinpup « Mon Dec 02, 2024 12:40 pm
Replies: 14
by puttputtinpup » Sun Jan 28, 2018 7:36 pm

14 Replies

8611 Views

Last post by puttputtinpup
Mon Dec 02, 2024 12:40 pm
Wheel bearings

Last post by isuzu Specialities « Sun Dec 01, 2024 9:30 pm
Replies: 3
by IsuzuKBD26 » Sun Dec 01, 2024 4:00 pm

3 Replies

3809 Views

Last post by isuzu Specialities
Sun Dec 01, 2024 9:30 pm
Oil pressure idiot light - 81 I-Mark diesel

Last post by puttputtinpup « Sat Nov 30, 2024 1:41 am
Replies: 2
by cocheeze » Fri Nov 29, 2024 2:34 pm

2 Replies

3747 Views

Last post by puttputtinpup
Sat Nov 30, 2024 1:41 am
IP stops suddenly

Last post by cwill « Thu Nov 21, 2024 3:11 pm
Replies: 17
by cwill » Mon Nov 04, 2024 12:47 pm
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17 Replies

7295 Views

Last post by cwill
Thu Nov 21, 2024 3:11 pm
Fuel shut off solenoid

Last post by Halden « Thu Nov 21, 2024 7:58 am
Replies: 12
by isuzu Specialities » Sat Jul 13, 2024 2:40 pm

12 Replies

5258 Views

Last post by Halden
Thu Nov 21, 2024 7:58 am
Rebuild time

Last post by Halden « Wed Oct 16, 2024 8:13 am
Replies: 49
by robgt22 » Thu Jul 09, 2015 8:38 pm
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49 Replies

31926 Views

Last post by Halden
Wed Oct 16, 2024 8:13 am
Intermittent Starter Issues

Last post by Paul « Fri Aug 23, 2024 8:10 pm
Replies: 3
by jaredcm » Wed Aug 21, 2024 10:30 pm

3 Replies

4849 Views

Last post by Paul
Fri Aug 23, 2024 8:10 pm
Need vacuum hose help 1986 c223 turbo

Last post by lostkeys « Sat Aug 17, 2024 3:26 pm
Replies: 8
by Taryan93 » Wed Aug 07, 2024 6:30 pm

8 Replies

4739 Views

Last post by lostkeys
Sat Aug 17, 2024 3:26 pm
water pump

Last post by isuzu Specialities « Tue Aug 13, 2024 10:37 pm
Replies: 6
by 84 s10 diesel » Mon Jul 29, 2024 9:43 am

6 Replies

4341 Views

Last post by isuzu Specialities
Tue Aug 13, 2024 10:37 pm
Start issue 2.2 diesel

Last post by Weigh2go « Fri Jul 05, 2024 6:53 pm
Replies: 18
by Weigh2go » Thu May 30, 2024 5:27 pm
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18 Replies

7935 Views

Last post by Weigh2go
Fri Jul 05, 2024 6:53 pm
Pump bleeder?

Last post by 10Zero « Thu Jun 06, 2024 5:31 pm
Replies: 2
by 10Zero » Thu Jun 06, 2024 7:41 am

2 Replies

3872 Views

Last post by 10Zero
Thu Jun 06, 2024 5:31 pm
Loss of power in Indiana

Last post by puttputtinpup « Tue May 21, 2024 6:01 pm
Replies: 4
by scottinkn » Tue May 21, 2024 9:32 am

4 Replies

4052 Views

Last post by puttputtinpup
Tue May 21, 2024 6:01 pm
Fuel filter guidance help

Last post by puttputtinpup « Mon May 13, 2024 8:41 am
Replies: 5
by 10Zero » Sat May 11, 2024 6:13 pm

5 Replies

4165 Views

Last post by puttputtinpup
Mon May 13, 2024 8:41 am
My baby overheated

Last post by mja « Sat May 11, 2024 9:20 pm
Replies: 9
by spideypop » Fri May 03, 2024 4:18 am

9 Replies

4431 Views

Last post by mja
Sat May 11, 2024 9:20 pm
Power Steering Pump

Last post by lostkeys « Thu May 09, 2024 9:16 pm
Replies: 21
by Halden » Thu Apr 04, 2013 3:43 am
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21 Replies

14153 Views

Last post by lostkeys
Thu May 09, 2024 9:16 pm
Seller claims "no timing belt" on an 81-82?

Last post by lostkeys « Thu May 09, 2024 8:16 pm
Replies: 3
by lostkeys » Tue Oct 17, 2023 4:56 pm

3 Replies

8131 Views

Last post by lostkeys
Thu May 09, 2024 8:16 pm
crank pulley stuck

Last post by badongo « Fri May 03, 2024 9:12 am
Replies: 4
by demetri85 » Sat Oct 14, 2023 7:12 pm

4 Replies

9648 Views

Last post by badongo
Fri May 03, 2024 9:12 am
Cracked exhaust manifold

Last post by JoeIsuzu « Mon Apr 15, 2024 9:10 pm
Replies: 2
by teener » Wed Apr 10, 2024 8:06 pm

2 Replies

3851 Views

Last post by JoeIsuzu
Mon Apr 15, 2024 9:10 pm
Problem with fuel

Last post by puttputtinpup « Sun Apr 14, 2024 12:00 am
Replies: 7
by IsuzuKb87 » Sat Sep 16, 2023 1:48 pm

7 Replies

9015 Views

Last post by puttputtinpup
Sun Apr 14, 2024 12:00 am
Transmission Question, new to the forum...

Last post by 10Zero « Wed Apr 10, 2024 7:40 pm
Replies: 8
by 10Zero » Tue Apr 09, 2024 7:00 am

8 Replies

4523 Views

Last post by 10Zero
Wed Apr 10, 2024 7:40 pm
Glow plugs don't fire when warm

Last post by fen « Thu Mar 21, 2024 10:27 pm
Replies: 32
by fen » Sat Jul 07, 2018 1:42 am
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32 Replies

21468 Views

Last post by fen
Thu Mar 21, 2024 10:27 pm
Injectors and seats

Last post by fen « Thu Mar 07, 2024 11:21 am
Replies: 12
by Mojito5000 » Sat Feb 17, 2024 8:02 pm

12 Replies

5139 Views

Last post by fen
Thu Mar 07, 2024 11:21 am
Injector Pre Cups C223

Last post by Mojito5000 « Sat Feb 17, 2024 6:38 pm
Replies: 2
by Dieselsmoke69 » Wed Nov 08, 2023 8:32 pm

2 Replies

8415 Views

Last post by Mojito5000
Sat Feb 17, 2024 6:38 pm
Pulling TD Engine

Last post by Mojito5000 « Mon Feb 12, 2024 10:08 am
Replies: 19
by Mojito5000 » Thu Jan 11, 2024 3:55 pm
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19 Replies

9543 Views

Last post by Mojito5000
Mon Feb 12, 2024 10:08 am
Lack of speed on a Diesel 4x4, thoughts?

Last post by lostkeys « Mon Jan 15, 2024 12:00 am
Replies: 5
by lostkeys » Sat Dec 23, 2023 12:29 pm

5 Replies

5159 Views

Last post by lostkeys
Mon Jan 15, 2024 12:00 am
Lukewarm heater after hose change - 1987 Spacecab Diesel

Last post by Paul « Fri Jan 05, 2024 12:11 am
Replies: 9
by cocheeze » Wed Nov 29, 2023 6:58 pm

9 Replies

9172 Views

Last post by Paul
Fri Jan 05, 2024 12:11 am
Vacuum Pump oil feed hose Diesel Alternator

Last post by 86TDTrooper2 « Mon Dec 11, 2023 1:14 pm
Replies: 11
by edwright » Tue Jun 24, 2008 10:43 am

11 Replies

14160 Views

Last post by 86TDTrooper2
Mon Dec 11, 2023 1:14 pm
Diesel CCV system

Last post by JoeIsuzu « Thu Dec 07, 2023 9:58 am
Replies: 9
by Duratothemax » Mon Nov 20, 2023 9:37 pm

9 Replies

25942 Views

Last post by JoeIsuzu
Thu Dec 07, 2023 9:58 am
Glow plugs not working

Last post by Duratothemax « Thu Nov 30, 2023 9:20 pm
Replies: 9
by Duratothemax » Thu Nov 16, 2023 8:55 am

9 Replies

15319 Views

Last post by Duratothemax
Thu Nov 30, 2023 9:20 pm
C223 Cylinder Head New Valves old Guides?

Last post by Dieselsmoke69 « Thu Nov 30, 2023 1:55 pm

by Dieselsmoke69 » Thu Nov 30, 2023 1:55 pm

0 Replies

15561 Views

Last post by Dieselsmoke69
Thu Nov 30, 2023 1:55 pm
Injector Pump Removal for Rebuild

Last post by Paul « Thu Nov 23, 2023 11:44 am
Replies: 46
by jaredcm » Tue May 04, 2021 7:58 pm
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46 Replies

58870 Views

Last post by Paul
Thu Nov 23, 2023 11:44 am

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