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Turn over but won't start...

Chevrolet Blazer 2001 Chevy blazer, 2wd, 4.3 180000 miles
So every day when I first start to crank my blazer, (2001 Chevy blazer 2wd, 2door, 4.3) the motor will turn and turn but not start. If I spray starting fluid through breather and try to start it will crank and run until I cut it off. If it sits for a couple hours it will do the same thing, wont start til I use starting fluid. Rarely sometimes it will crank the second time without fluid. I've changed crank sensor, new battery, cap and rotor, it has ngk iridium plugs, new wires, checked fuel pressure which is at 62, new fuel filter, pump does engage when key is turned. I have fuel, spark, compression. I'm out of ideas. Please help
Hokie5 from United States 7 years ago  
HO
5 reports 
Jimbo from United States 7 years ago
Did you check the fuel pressure while it was running, or while it was cranking trying to start? Some pumps when they're going bad will not supply enough pressure to start while cranking, but will while they are running
Krey603 from United States 5 years ago
It sounds like the Mass Airflow Sensor is bad.
Mudslinger from United States a year ago
I have a new fuel pump and spark plugs and wires but he still won't start. Makes a winning sound when trying to start. When he tryes to start it back fires
Krey603 from United States a year ago
I believe timing is way off after all the parts you have replaced. You definitely need to get it on TDC for #1 sparkplug and then make sure the rotor is pointing at the #1 plug wire in the cap. Something similar happened to a Blazer I had just from pulling the distributor rotor out and putting it back in. It turns out that because of the way the gears are cut. When it slides out it turns just a little ahead. When I put it back in I had to start a little before #1 position. Then when it was all the way down it lined up perfectly.
Bones from United States a year ago
My 1998 Blazer won't start or hit a lick but turns over just fine,what can be my problem?
Comment

Might have a fuse blown

Chevrolet Blazer 2000 Chevy blazer 150000 miles
A/C radio and door locks stopped working?
Kilo1500 from United States 8 years ago  
KI
10 reports 
QTTHATSME from United States 3 years ago
Dash lights, ac, radio, door locks, headlights, wont work unless i turn the headlights on and then the dashlights light up like i just turned the car on. But that only works at night. Nothing durning the day. What the mix is in the fix. Oh I forgot interior lights, speedometer, odometer, fuel gauge, and gear indicators not working. I can hear the solenoid click when I press the button on the remote. But the door locks don't make a sound and don't lock or unlock the car.
QTTHATSME from United States 3 years ago
Oh I forgot interior lights, speedometer, odometer, fuel gauge, and gear indicators not working. I can hear the solenoid click when I press the button on the remote. But the door locks don't make a sound and don't lock or unlock the car.
Comment

Instatlled new stereo 2wk ltr lights stped wrkg(dr loc,str,heat,instpa

Chevrolet Blazer 2000 BLAZER V6 4.3 4DR 2WD 153000 miles
I purchased a 2000 chevy blazer 4dr 2wd 4.3 v6. I looked up online for the wiring diagram for the stock stereo. And then went and found the diagram for the new stereo. New stereo due to the old one with bose with cd and tape not working. Out with the old in with the new. When i was done. I still had 3 wires that i could not account for coming from the blazer. I taped them off and continued on. With the amp i grounded it and connected the remote turn on from the deck. And with the +12v constant to the amp i saw an open spot on the fuse box just inside the drivers door. Located at the bottom of… Read complete
QTTHATSME from United States 3 years ago  
QT
1 report 

Fuel pump not working started but then dies after a minute or two

Chevrolet Blazer 2000  13800 miles
VBulletinNew fuel pump started but then died won't start back up 2000 4 door 4wheel drive
Jackson from United States 7 years ago  
JA
1 report 
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