Question about 1997 Chevrolet C1500

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My c1500 5.7L has no fuel supply, autozone tested, bad OX sensor

My 1997 service light came on autozone tested the code and said it was a bad OX sensor. It would shut off but I could start it with starter fluid in the port. Now will not start. Is there a sensor that shuts off the fuel supply.

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Find out if that truck is equiped with a inertia fuel cut off switch, but I doubt that it is. Also have the fuel pressure checked, it might be a bad or weak fuel pump, or fuel pressure regulator.

Posted on Jan 21, 2009


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I have no idea about cars so my maxima 01 service light on i scaned it n say 2 codes come on loke p1401 mil on, monitrs, 1 inc, EGR, 7 ready, misfire, fuel, comp, catlyst, Evap, 2 snsr, 2HTV WHAT DOES THIS...

Only 1 code (p1401) means EGR Temperature Sensor problem. Bad Sensor or EGR valve may need to be replaced. Autozone has some ways to test your sensor and egr valve.
If you do have a bad sensor it is about $170 average. If you have a bad EGR valve it is about $150 average.
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-Kevin from KCG InnovationsAuto specialist

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Just Failed my emission test......hc ppm reading 485 allowed 189 also CO% 10.50 ALLOWED 2.36 WHAT CAN I DO TO CORRECT.

sounds like a bad catalytic converter, just did my 1985 Jeep could not get it to pass ended up replacing the catalytic converter, muffler, ox sensor and EGR valve then Jeep passed with flying colors.
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2003 Denali - I have a check engine light that states ox sen. I've been told there are 6 sensors, but it doesnt say which one. Are there 6 ox sensors? If so is there a way to tell which one is bad?

There should be 4 O2 Sensors, min

The Codes DO tell you which one

What the OBD2 Codes DO NOT TELL YOU,
is that are bad

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Code say ox sensor bank 1 that the motor is running lean i replaced ox sensor , light was out for 10 miles than light came back on

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Stalls when driving then starts back up

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Fuel pump relay, Cranks Shaft Position Sensor, Camshaft sensor (if applicable)
Throttle position sensor

There are others that you could test if you want, but those are the most common. If your check engine light is on, then a bad sensor or circuit is definately the problem.
A clogged fuel filter could also give you problems like your having.

An engine diagnostic or code scan would be most helpful. Most part stores will do it for free as long as the check/service engine light is on.
You can go to and register for free online repair manual for your car.

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A lean code can be caused by several different things. The most common, if you are getting a lean code on BOTH banks, is a dirty Mass Airflow Sensor (MAF) Cleaning the MAF usually fixes it.

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2001venture van service engine soon light stays on

most any sensor going bad can cause the check engine light to come on,try disconnecting the posative battery cable for 15 seconds ,then put it back on,will reset the codes, or take it to auto zone,they will test your computer for codes at no charge to you.i had a venture van my was ox. sensor. thanks robert b.

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you need to change the oxygen sensor. it will soon cause you problems. after you need to take it in to  erase the code.

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93 Subaru legacy 2.2 turbo 5 speed manual tries to quit, jerks, acts like its not getting enough air, running rich,check engine light has been on since Ive had it.Hesitation. unplugged oxygen censor and it...

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I have a 1997 Ford Explorer. Check engine light comes on after 20 miles. After reseting the check engine light. The codes that come up are P 171 & P174. I already changed out the Maf sensor. But cant get...

Here is a list of possible causes, hope this helps.

Your vehicle’s computer system has self-testing capability. When the computer senses that there is a problem with one of the components or sensors it stores the correspondent trouble code(s) in its memory and lights up the "Check Engine" or "Service Engine Soon" light to tell you that there is a problem and you need to diagnosed and repaired it. The list of possible codes number in the hundreds. The code itself doesn't tell exactly what component is defective - it only indicates where to look, or what engine parameter is out of normal range. You or a technician will have to perform further testing to pinpoint cause and the proper repair. Even if you reset the light, if the underlying problem is not addressed it will come back on.

Possible Causes onepx.gif Setting Conditions onepx.gif onepx.gif onepx.gif onepx.gif
  • Air leaks after the MAF sensor, or leaks in the PCV system
  • Vehicle running out of fuel or engine oil dip stick not seated
  • EGR valve gasket is damaged or leaking around the gasket
  • Exhaust leaks before or near where the HO2S is mounted
  • Fuel injector(s) not supplying enough fuel
  • Fuel system not supplying enough fuel during high fuel demand conditions (e.g., the fuel pump may not supply enough fuel)
  • MAF sensor is dirty (can cause PCM to underestimate airflow)
  • Intake gasket leak

Mar 10, 2009 | 2001 Ford Explorer

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