O/D OFF light problems

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Wont keep running

Chevrolet Blazer 1999 4dr 4.3  245000 miles
Ok so truck turns over and starts but wont keep going over and over i can hear fuel pump on / off if i giv gas kills instant no gas 1 to four seconds obd says six sensors othrs say fuel pump on way out to far gone or paslock thing in ignition if is sensors or bfor i go get is ther some sorta resset or maybe it means its the relay maybe plz respond and thx you
bubbs from Canada 7 years ago  
BU
2 reports 
stsa from Canada 7 years ago
1 check basis fuel level, oil level, engine coolant condition and level {at the rad) , battery condition and CONNECTIONS this is more important than the average guy realises. , check spark at the PLUGS, check fuel volume and pressures...with a gauge , scan for OBD2 code document codes numbers order of the codes and how many of each code and keep them in order. Check all fuses look for burnt, corroded and loose. This will start u on a proper diagnostic path... as far a security system and paslock very possible i have repaired , replace many of the systems over the last 40 years do the. Basics first... DO NOT believe the OBD2 codes often codes are set due to dead battrerys ,loose ,dirty battery connections boosting, pulling wiring off sensor, wet or corroded fuse box (they r not just a fuse box anymore)...
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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 

Transmission

Chevrolet Blazer 2004 2 Door, Sunroof, Curved Hatch on rear with Tailgate 195380 miles
It shifts into reverse, but doesn't engage. Also; doesn't shift into overdrive and will not shift down in the OD gear when slowing down. I just replaced the TCC solenoid and changed the filter and also tranny fluid. Still doesn't engage in ? Any clues to what is wrong?
Brownie from United States 6 years ago  
BR
1 report 

Fuel pump and oil pressure gage

Chevrolet Blazer 1988 Chevy s10 blazer 2.8 4x4 2304521 miles
I bought a new fuel pump and a fuel pump relay, no power to the fuel pump. The oil pressure gage does not work the old fuel pump quit working so I took it out ,and behold the screen was falling apart, the tank was full of rust. Problem no power to the new fuel pump
Logun from United States 7 years ago  
LO
7 reports 

Oxygen sensor p0154

Chevrolet Blazer 2001 Chevy blazer vortec 134545 miles
Blazer runs great no. Symptoms at all really. I had. Change the sensor and the service. Light is still on...it has a new one on that side and switch the old one on the opposite side and the light had turnd off but i scanned it and still says the code. Not sure what to do next
Drew from United States 8 years ago  
DR
1 report 
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