The 1985 Isuzu I Mark has 1 NHTSA recall campaign affecting an estimated 28,509 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 3 complaints with NHTSA, most often about the engine and engine cooling. Last updated July 5, 2026.
VEHICLE MAY EXPERIENCE PERFORATION OF THE FUEL PUMP DIAPHRAGM. EXCESSIVE ALCOHOL CONTENT IN THE FUEL PROMOTES DEGRADATION OF THE DIAPHRAGM COATING RESULTING IN RADIAL CRACKING OF THE DIAPHRAGM.
Consequence
A PERFORATED DIAPHRAGM CAN ALLOW FUEL TO LEAK FROM THEFUEL PUMP INTO THE UNDERHOOD AREA. THIS COULD ULTIMATELY RESULT IN ANUNDERHOOD FIRE WITHOUT PRIOR WARNING. SUCH A FIRE COULD SPREAD TO THEPASSENGER COMPARTMENT.
Remedy
A FUEL VENTALATION HOSE KIT WILL BE INSTALLED TO PREVENT FUEL FROM ESCAPING INTO THE ENGINE COMPARTMENT IF THE FUEL PUMP DIAPHRAGM LEAKS AND THEREBY REDUCE THE POSSIBILITY OF AN UNDERHOOD FIRE.
Complaints by component
ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
1
POWER TRAIN:DRIVELINE:DRIVESHAFT
1
POWER TRAIN:MANUAL TRANSMISSION
1
Total complaints3
What owners report
Verbatim reports filed with NHTSA, lightly edited for readability and with personal
information removed.
“I have had numerous problems with the car since I bought it. The dealer that I bought the car from said he had fixed the problems, but hadn't. I asked for my money back because I haven't had the car for 20 days yet, and he refused. The car has been broken down ever since I bought the car. The…”
“I have had numerous problems with the car since I bought it. The dealer that I bought the car from said he had fixed the problems, but hadn't. I asked for my money back because I haven't had the car for 20 days yet, and he refused. The car has been broken down ever since I bought the car. The…”
“I have had numerous problems with the car since I bought it. The dealer that I bought the car from said he had fixed the problems, but hadn't. I asked for my money back because I haven't had the car for 20 days yet, and he refused. The car has been broken down ever since I bought the car. The…”
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL,
FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 1985 Isuzu I Mark as of
July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page
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