There are 4 owner-reported engine complaints for the 2003 Isuzu Rodeo in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
03 ISUZU RODEO 3.2L BURNING EXCESSIVE AMOUNT OF OIL. TAKES A QUART EVERY 250 MILES. DONE EVERYTHING RECOMMENDED AT THE RECOMMENDED INTERVALS, OIL CHANGES, EGR VALVE, PCV VALVE, ECT. I AM VERY GOOD ABOUT CHANGING RECOMMENDED PARTS WHEN NEEDED. THIS ENGINE SHOULD NOT BE TAKING OIL. I DO NOT TOW OR REV OVER 5,000 RPM, EVER! OTHER ISUZU OWNERS HAVE ALSO EXPRESSED CONCERNS ABOUT THIS TO ME, THIS SEEMS TO BE A FAIRLY COMMON PROBLEM WITH THE ISUZU ENGINE. I NOW NEED TO REPLACE THE ENGINE AT A COST OF 3,000 PLUS INSTALLATION LABOR CHARGES. THIS IS THE THIRD RODEO I HAVE HAD, GOOD LUCK WITH THE OTHER TWO, BUT NOT THIS ONE. IF THIS CANNOT BE RESOLVED, I WILL PURCHASE ANOTHER MODEL IN THE FUTURE. *TR
2003 RODEO ENGINE FAILUE AT 48K. ISUZU REFUSES TO REPAIR UNDER WARRANTY AND BLAMING ME FOR DAMAGE BECAUSE I CANNOT PRODUCE ALL OF MY OIL CHANGE RECIEPTS. MY 2000 RODEO ENGINE FAILED AT 35K AND ISUZU REPLACED UNDER WARRANTY. I AM AMAZED AT HOW MANY COMPLAINTS AND "OIL USAGE" POST I AM FINDING ON THE WEB FROM OTHER ISUZU OWNERS.
WHILE DRIVING AT ANY SPEED A KNOCKING NOISE WAS PRODUCED FROM THE ENGINE. *AK
2003 ISUZU RODEO 4CYL. PURCHASED NOV 28 2003. *AK
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Sep 8, 2026