Question about 2000 Chevrolet S-10

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I have a 2000 chevy s-10 2.2 flex fuel motor and the computer is saying sytem to lean or to low any ideas?

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Most common cause is the O2 sensors not reading correctly

Posted on Mar 22, 2011

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I have a 2004 flex fuel tahoe 5.3. P171 and p174. Codes on. Have replaced fuel pump , pressure reg., plugs and fuel filter. Hard to start but runs fine for awhile then starts acting up.


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Nov 29, 2015 | Cars & Trucks

1 Answer

2004 chevy silverado 5.3L V8 runs rough and stalls


Well, code 336 is for a problem with the crank sensor, and code 171 is for fuel system too lean bank one which is the side with cylinder one. Since you have checked fuel pressure and I will assume fuel volume is good, the crank sensor or circuit could be at fault.

Jul 09, 2013 | Cars & Trucks

1 Answer

2000 Chevy S-10 P/U Flex Fuel 4 cyl


Are you saying the engine will not crank, or not start ?
Will it crank in neutral ?

Jul 05, 2013 | Chevrolet Cars & Trucks

1 Answer

Bank 1 sensor 1


The code means the sensor is staying in lean or rich mode for too long. The computer is supposed to adjust fuel mixture to make the exhaust switch back and forth from lean to rich every 10 or 20 seconds.
If the engine is not warming up the emissions system will not go into closed loop which allows the computer to make the adjustments.
Do you know if the engine is reaching normal temp ?
Any exhaust leaks upstream ?

Jan 16, 2013 | 1998 Chevrolet S-10 Pickup

1 Answer

Running lean


I doubt it.
Usually if you have a trouble code for lean mixture, the fuel pump pressure is low or the filter is stopped up.
I would check fuel pressure first.

Dec 24, 2012 | 2000 Ford Contour

1 Answer

2000 Toyota tacoma with code P0171.


You don't say if it is a 4 cyl or 6 cyl engine.
The code means the O2 sensor is telling the computer the engine fuel mixture is too lean and the computer can not make the injectors provide enough extra fuel to make the sensor go rich.
Reasons can be a faulty cooling thermostat, low fuel pressure, vac leaks, exhaust leaks, and other engine problems.

Jul 28, 2012 | Cars & Trucks

1 Answer

Have trouble code po171 on my 2000 chevy venture, looking for possible solutions


gtford64,

P0171 indicates the computer has detected a "lean engine condition". Sorry to say you couldn't have gotten a worse code. By that I mean there are sooo many things that can cause a P0171
However I'll just run down a few of the more common causes:

1 - Look for any obvious vacuum leaks around the engine area. Vacuum leaks will definetley
cause a lean condition which will trigger a check engine light and code P0171
Especially check around the PCV system and where the EGR valve mounts to the intake.


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2 - Check your oxygen sensor wiring to make sure it is not chaffed and shorted. This will force a
lean condition and set P0171. O2 sensors are located on your exhaust system pipes and
manifold.

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3 - A constant or intermittent engine miss will trigger this code. Check for fouled or shorted
spark plugs or weak spark plug wires.

4 - Low fuel pressure will also trigger P0171. Check your fuel pressure if thats possibe. If it's low,
check to make sure your fuel filter is not restricted. Otherwise, you may have a weak fuel
pump!


pawdaddy_32.jpg
Try these tips first.If not successful, we'll take it 1 step further. Good luck!


.

Oct 05, 2011 | 2000 Chevrolet Venture

1 Answer

I have 2000 silverado and the motor start making noise like something is breaking inside the motor, The motor is done? or any idea thanks


I hate to say it sounds like a rod, but.......... If its low in the motor, it may be broken flex plate or spun harmonic balancer. Top of motor, its probably rocker arm noise(valvetrain wear?) If its inside motor, only gonna get worse.

Feb 01, 2011 | 2000 Chevrolet Silverado 1500

2 Answers

Will a 2000 3.3 dodge motor inter change with the same motor only flex fuel?


the fuel system is different but if you are using regular fuel it will work ok

Feb 18, 2010 | 2000 Dodge Caravan

2 Answers

Changing fuel filter


sounds like your truck has the flex fuel engine. engine code 5. a flex fuel filter has the additional lines like you say your truck has. the last flex fuel filter I purchased was about $40 from napa. standard filters are alot cheaper in price.

Jul 17, 2009 | 2001 Chevrolet S-10

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