4.0

definitely annoying
Typical Repair Cost:
$700
Average Mileage:
155,350 miles
Total Complaints:
1 complaints

Most common solutions:

  1. replace fuel pump, security bypass module (1 reports)
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problem #1

Apr 162013

Blazer 4.3L

  • Automatic transmission
  • 155,343 miles

click to see larger images

ecm fuse blows ecm fuse blows ecm fuse blows ecm fuse blows ecm fuse blows

so i bought a 99 blazer 1 year latter it dies . the ecm fuse blows check it replace it. keeps happen .long storey short puy in a manuel fuel pump. when i start the vehicle it will run then die. my neihbour the machanic said that now it must be theit security in the blazer so u might need a security by pass module . so here i am . please please help me. sincerely owner

- msimms, Courtenay, BC, canada

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