Hi Mu owners
I’m wanting to know if anyone can help
Hi have a 1993 Isuzu Mu with the 2.8 automatic all egr still intact
On start up the engine runs a bit rough which I understand as they all do I use the dash idle to help this, once warm and in Park it idles fairly smooth
I find if I put it in Drive it idles rough where I have to turn the dash idle, but doing this it’s to much when In traffic.
Any suggestions would be great.
Could it need a gearbox service?
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Engine idle
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Engine idle
by mrMUMU » Tue Feb 25, 2020 9:22 pm
- mrMUMU
- Isuzu Junior
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Re: Engine idle
by turnturn » Wed Feb 26, 2020 6:12 pm
What RPM is it idling at warm with no help from the dash idle control?
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turnturn - Global Moderator
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- Vehicle: 1992 Isuzu Mu 2.8 Manual (UCS55)
Snorkle, Intercooled
1993 Isuzu Mu 2.8 Manual (UCS55)
Spare Parts/Donor
1994 Isuzu Mu 3.1 Manual (UCS69)
Snorkle, Intercooled
1996 Isuzu Mu 3.1 Manual (UCS69)
Completely Standard
- mrMUMU
- Isuzu Junior
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Re: Engine idle
by turnturn » Thu Feb 27, 2020 6:19 pm
From memory the recommended idle speed is 720-750 RPM. Maybe you just need to bump the idle speed up a bit.
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turnturn - Global Moderator
- Posts: 950
- Joined: Wed May 13, 2009 4:26 pm
- Age: 57
- Country: New Zealand
- City: Dunedin
- Vehicle: 1992 Isuzu Mu 2.8 Manual (UCS55)
Snorkle, Intercooled
1993 Isuzu Mu 2.8 Manual (UCS55)
Spare Parts/Donor
1994 Isuzu Mu 3.1 Manual (UCS69)
Snorkle, Intercooled
1996 Isuzu Mu 3.1 Manual (UCS69)
Completely Standard
Re: Engine idle
by mrMUMU » Thu Feb 27, 2020 8:57 pm
Took this tonight probably a better indication
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- mrMUMU
- Isuzu Junior
- Posts: 69
- Joined: Sun May 15, 2011 8:36 pm
- Age: 30
- Country: australia
- City: melbourne
- Vehicle: 1994 isuzu mu 2.8
-
turnturn - Global Moderator
- Posts: 950
- Joined: Wed May 13, 2009 4:26 pm
- Age: 57
- Country: New Zealand
- City: Dunedin
- Vehicle: 1992 Isuzu Mu 2.8 Manual (UCS55)
Snorkle, Intercooled
1993 Isuzu Mu 2.8 Manual (UCS55)
Spare Parts/Donor
1994 Isuzu Mu 3.1 Manual (UCS69)
Snorkle, Intercooled
1996 Isuzu Mu 3.1 Manual (UCS69)
Completely Standard
- mrMUMU
- Isuzu Junior
- Posts: 69
- Joined: Sun May 15, 2011 8:36 pm
- Age: 30
- Country: australia
- City: melbourne
- Vehicle: 1994 isuzu mu 2.8
Re: Engine idle
by turnturn » Sat Feb 29, 2020 4:57 pm
I think that it should probably idle at between 720-750 rpm, warm and in gear (automatic trans). Not 100% sure though as all mine are manual trans.
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turnturn - Global Moderator
- Posts: 950
- Joined: Wed May 13, 2009 4:26 pm
- Age: 57
- Country: New Zealand
- City: Dunedin
- Vehicle: 1992 Isuzu Mu 2.8 Manual (UCS55)
Snorkle, Intercooled
1993 Isuzu Mu 2.8 Manual (UCS55)
Spare Parts/Donor
1994 Isuzu Mu 3.1 Manual (UCS69)
Snorkle, Intercooled
1996 Isuzu Mu 3.1 Manual (UCS69)
Completely Standard
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