We don't have a lot of complaints on file for the Isuzu I-Mark (although feel free to add yours here) -- probably because it's so old, no one bothers to post complaints anymore.
The 1986 Isuzu I-Mark has the most complaints, & the most-reported problem is also with the 1986 I-Mark for engine jerking under load.
Worst Reported Problems with the I-Mark
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Latest Owner Complaints About the I-Mark
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engine jerking under load -- 1986 I-Mark:
I have a 1986 Isuzu I Mark with an L4 1471cc L.5 engine with manual transmission. My problem is it sometimes it starts jerking and jumping when I am driving down the road.I can push in on the clutch and give it gas and seems to run all right until I engage the transmission. Other times I get ... Read more »
This problem has been reported 1 times by other 1986 I-Mark owners.