Engine runs idles but step on gas truck sputters.

Tiny
PONYCAR302
  • MEMBER
  • 1996 TOYOTA TACOMA
  • 217,000 MILES
Engine runs idles but step on gas truck sputters back fires thourgh intake code bank 1 o2 sensor sensor test good new mass air intake air sensor crank sensor cam sensor throttle position thermostat sensor was at local garage for 6 weeks 1000.00 later here I am
Saturday, February 16th, 2013 AT 3:53 PM

11 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
What was the exact code number?
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Saturday, February 16th, 2013 AT 4:00 PM
Tiny
PONYCAR302
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  • 9 POSTS
130 bank 1 o2 sensor bad wire bad sensor bad ecm
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Saturday, February 16th, 2013 AT 5:24 PM
Tiny
WRENCHTECH
  • MECHANIC
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How did you determine that the sensor was good?
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Saturday, February 16th, 2013 AT 5:27 PM
Tiny
PONYCAR302
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Contanutiy check
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Saturday, February 16th, 2013 AT 5:29 PM
Tiny
PONYCAR302
  • MEMBER
  • 9 POSTS
Truck ran for about 6 months with sensor un plugged but now back to running like crap I know chance of bad ecm is like 1 in a1. Ooooooo so im wondering if bad wire really need truck have high performance mustang hard to drive in snow live northeast pa worry about salt and other motorist more than my abilites
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Saturday, February 16th, 2013 AT 5:44 PM
Tiny
PONYCAR302
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  • 9 POSTS
The truck runs as long as you wanna run wide open tough to drive in snow wide open or spinning wheels
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Saturday, February 16th, 2013 AT 5:46 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
[quote]contanutiy check[/quote]

That isn't going to tell you a thing. You need to read the actual voltage signal and see if it responds to forcing it rich and forcing it lean. You really need a good scan tool and DVOM or scope.
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Saturday, February 16th, 2013 AT 5:49 PM
Tiny
PONYCAR302
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Does same thing with new sensor
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Saturday, February 16th, 2013 AT 5:53 PM
Tiny
PONYCAR302
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Was thinking on trying o2 simulator
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Saturday, February 16th, 2013 AT 5:58 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
Obviously you have your own way of doing things and they don't match mine so I've helped you all I can.
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Saturday, February 16th, 2013 AT 6:16 PM
Tiny
PONYCAR302
  • MEMBER
  • 9 POSTS
Actully you didnt tell me anything I tested by instruction in repair manual I have a bad wire cause I wiggle wires around on computer and truck is running fine so now just got to track down bad connection or broken wire the world doesnt revole around ur thought process but thanks for ur reponse anyway later
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Saturday, February 16th, 2013 AT 7:09 PM

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