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7.3

pretty bad
Typical Repair Cost:
$20
Average Mileage:
110,700 miles
Total Complaints:
3 complaints

Most Common Solutions:

  1. not sure (2 reports)
  2. replace vacuum sensor hose (1 reports)
1999 Chevrolet Blazer engine problems

engine problem

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1999 Chevrolet Blazer Owner Comments

problem #3

Nov 032009

Blazer LS V6

  • Automatic transmission
  • 145,000 miles

A D V E R T I S E M E N T S

My Chevy was running rough for a while. Nobody knew how to fix the issue. I had replaced everything possible in the electrical system, from spark plugs to ignition cap and rotor, in the fuel system from fuel system to new injectors set, and air filters and cleaned mass flow sensor, air intake, and nothing work. A mechanic at AutoZone noticed that VACUUM SENSOR HOSE was perforated. I replaced it, cost me $15 bucks and it was the end of the nightmare.

- nono, Copell, TX, US

problem #2

Oct 252006

(reported on)

Blazer V6

  • Manual transmission
  • 90,000 miles

We bought the blazer 2 years ago and had to change the spark plugs and wires 5 times. The thing has never run right since a couple days after we got it. the rear wiper has never worked. We have had to change the fuel filter, the distributor cap 3 times, the timing belt adjusted twice and it replaced once, change the air filter 3 times, changed the battery twice, and the engine light is almost always on and now it has quit running and nobody knows what is wrong with it. I think we were sold a lemon.

- Jerri S., Primate, Sask, Canada

problem #1

Dec 312006

(reported on)

Blazer 4.3

  • Automatic transmission
  • 97,000 miles

started running rough... had diagnostics done... mechanic said it was throttle sensor... problem started again 11 miles after leaving mechanic shop.... it happens after it warms up... also fuel gauge reads, empty, full, empty, full every five minutes it changes... I smell rubber burning, found three wires burnt under hood next to manifold.

- kickk, Mount Vernon, Wash., US

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