Diagnostic Tips

EGR Cooler Pressure Tester to Diagnose Isuzu Diesel Engine EGR Cooler Leaks – Isuzu GMC and Chevrolet

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2020 Isuzu NPR-HD

NHTSA ID Number: 10186932 Manufacturer Communication Number: SB09-J-002F Summary AN EGR COOLER TESTER WAS PROVIDED TO DEALERS IN JUNE 2009 TO DIAGNOSE EGR COOLER LEAKS ON ALL ISUZU DIESEL ENGINES EQUIPPED WITH AN EGR COOLER. THIS TESTER CONSISTS OF A PRESSURE REGULATOR ASSEMBLY J-46091-1 AND ADAPTERS EN-48974-5, EN-48974-15, AND EN-48974-30. IMPORTANT: LEAKS FROM THE EGR COOLER MAY … Read more

V2004 – Ground Cable Replacement – 2018-2021 Isuzu FTR

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2019 Isuzu FTR

September 11, 2020 NHTSA CAMPAIGN NUMBER: 20V554000 Ground Cable On Starter Motor May Break If the cable is broken and repeated attempts are made to start the vehicle, the starter may ground through the steel braiding of the power steering hose, allowing it to heat up and possibly rupture, increasing the risk of a fire.   … Read more

CB19-E-002 – Rear Outer Wheel Nut Inspection And Torque – 2017-2020 Isuzu NPR-HD, 2019-2020 NPR-XD, NQR, NRR

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2020 Isuzu NPR-HD

November 20, 2019 NHTSA CAMPAIGN NUMBER: 19V835000 Insufficiently Tightened Lug Nuts If the lug nuts were not properly tightened, they can loosen, causing the to wheel separate from the vehicle, increasing the risk of a crash.   NHTSA Campaign Number: 19V835 Manufacturer Isuzu Technical Center of America, Inc. Components WHEELS Potential Number of Units Affected 1,926   Summary Isuzu Technical … Read more

Erratic Speedometer Operation Or Speedometer Needle Shakes Above 60 MPH – 2003-2008 Isuzu Ascender

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TSB SB07-04-S003 Issue Date: December 2007   Erratic Speedometer Operation Or Speedometer Needle Shakes Above 60 MPH   Affected Vehicles 2003-2008 Isuzu Ascender with 4.2L Engine Only   Service Information Condition: Some customers may comment on erratic operation of the speedometer. Others may comment that the speedometer needle shakes above 96 km/h (60 mph).   … Read more

Air Conditioning Not Cold, Malfunction Indicator Lamp On, DTC P0116 Set – 2007 Isuzu Ascender

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TSB SB06-12-S005 Air Conditioning Not Cold, Malfunction Indicator Lamp On, DTC P0116 Set Air Conditioning Not Cold, Malfunction Indicator Lamp On, DTC P0116 Set ISSUE DATE: DECEMBER 2006 Affected Vehicles 2007 Isuzu Ascender   Condition: Some customers may comment that the Air Conditioning (A/C) does not get cold enough. Others may comment that the Malfunction Indicator … Read more