Question about 2001 Chevrolet S-10

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Chevy 2-2 engine codes po410 and p1137 i know 1 is secondary air injection and other fuel air metering but book doesnt say xactly what part is and auto parts store cant help

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1137 is an o2 sensor code but I would have to look it up to see which one. 410 is a common one. Check the maxi fuse for the sec. air inj pump in the little fuse box tucked into the fender right beside the battery.

Posted on Jul 10, 2010

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I replaced my secondary air check valve on my 2001 chevy tahoe but code 1416 still comes up. what else can i check


here is what i found on p1416.



P1416 Chevrolet
P1416 Chevrolet - Secondary Air Injection System Bank 2
Possible causes
- Faulty Secondary Air Injection (AIR) pump
- Secondary Air Injection check valve bank 2
- Secondary Air Injection (AIR) pump electrical circuit fault
- Blocked Secondary Air Injection (AIR) system

When is the code detected?

The P1416 code is set when no O2 sensor voltage change is detected by the Engine Control Module (ECM).


Possible symptoms
- Engine Light ON (or Service Engine Soon Warning Light)


P1416 Chevrolet Description
An Secondary Air Injection (AIR) pump is used on this vehicle to lower tail pipe emissions on start-up. The PCM supplies a ground to the AIR pump relay, which energizes the AIR pump. The Powertrain Control Module (PCM) monitors the HO2S voltages to diagnose the AIR system. During the AIR test the PCM activates the AIR pump during closed loop operation. When the AIR is activated, the PCM monitors the HO2S voltages and short term fuel trim values for both banks of the engine. If the AIR system is operating properly, the HO2S voltages should go low and the short term fuel trim should go high.

Jan 23, 2014 | 2001 Chevrolet Tahoe

1 Answer

Secondary air injection check valve


Exactly what the code entitles, the air injection valves that shoot air in the exhaust to help burn excess gasses when the engine warms up the engine when it's cold are malfunctionning. When the engine is cold is just started, it uses what we call a open loop, the engine runs fuel maps and such with a stored program in the ECU that doesnt take in account all the sensors to allow a smooth start and warmup, then after it's warm enough and all, it goes to closed loop using all sensors to lessen the pollution. So when in closed loop, the ECU uses the oxygen sensors to adjust air/fuel ratio, but seeing as how the air injection is possibly jammed open or malfunctionning in some other way and sending air in the exhaust, the sensor think the engine is running lean and injects extra fuel to compensate, but since the reading is false, the engine is actually running rich and making you lose power. Try bypassing the air injection if you want to test this, just find the hose in the exhaust manifold that goes to some black plastic canister type thing and unplug the hose from the canister and find a way to jam it shut so no air can get in. If you sealed it good you should now have full power when the engine has run a while. Hope this helps!

Jan 04, 2014 | 2004 Buick Rainier

1 Answer

Code po410


P0410 - Secondary Air Injection System Malfunction
Possible causes- Faulty Vacuum hoses damaged
- Faulty Air Pump inoperative
- Air bypass solenoid harness is open or shorted
- Air bypass solenoid circuit poor electrical connection
- Air bypass solenoid leaking/blocked or stuck open/closed
- Air diverter valve leaking/blocked or stuck open/closed

This is likely a pump problem caused by water being sucked into the secondary air injection pump under the hood.

Aug 29, 2012 | Chevrolet Cars & Trucks

1 Answer

On a 2001 chevy s1o blazer,4.3 engine, what is the secondary air injection system, what does it do, and where is it located


it injects air into the exhaust to reduce emissions, burn off carbon monoxide and hydrocarbons. it is a system of tubes and pump, best bet is diagrams, which i cant post here, so suggest chilton or hayes repair manual $30 at auto stores with trouble shooting, diagrams, and directions.

Jun 09, 2012 | 2001 Chevrolet Blazer

1 Answer

I have a p1137 code fuel air metering on a 2002 chevy cavalier where is this located


Air/fuel metering usually referes to O2 sensors and/or MAF sensor. In this case it referes to heated O2 sensor bank #1 snsr2. This Can be found on the exhaust system on the rear of the cat or after the Cat. Conv.

Mar 10, 2012 | Chevrolet Cavalier Cars & Trucks

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Idles rough and low intermittently. Stalls occaisionally. Error code P1137 pulled off of the computer. 2001 Alero, 2.4L Automatic trans


P1137 is HO2S Bank 1 Sensor 2 Lean Or Low Voltage. Oxygen sensor is reading a "lean condition". This code probably is stored from the rough and low idling. So it sounds like you maybe having other issues causing this P1137 code to come up. For lean conditions read this:
1. Vacuum leaks - check for failed or loose vacuum lines, leaking intake gaskets, intake air tubes loose or any other source of un-metered air leaks (leaks after the Mass Air Flow Sensor)
2. Restricted fuel filter or bent/pinched fuel system lines
3. Incorrect input from other sensors, such as the Mass Air Flow Sensor/cam or crank sensors, which may not always drop a separate code
4. Engine misfire ? Yes I know this one may seem weird. You might think that if there is a misfire then you will have all that unburned fuel and it should read rich; right? Well the O2 sensors read only oxygen content in the exhaust, so if you have all that unburned fuel from incomplete combustion then, you guessed it, you also have all that unburned oxygen. High O2 content in exhaust equals a lean reading!

Sep 07, 2011 | Oldsmobile Alero Cars & Trucks

1 Answer

I have a 05 chevy trailblazer, the check engine lite is on and a hand held analyzer indicated problem codes: PO410 $ PO128 any ideas? Wayne C


P0410

Definition
Secondary Air Injection System fault
Explanation
The air injection system is monitored for faults
Probable Causes
1) Circuit relay defective or fuse open
2) Check connector and wiring
3) AIR pump defective or hoses blocked


P0128
Fault Code Definition
  • Engine temperature has not increased and/or reached the correct level within a specified amount of time after engine startup
Common Problems That Trigger the P0128 Code
As for the po128 I would replace the thermostat first. That is the problem 99% of the time.

Good Luck

Jul 12, 2010 | Chevrolet Chevy Cars & Trucks

1 Answer

Check engine light on pulled code po410


this is caused by a defective seconday air injection pump, replace the pump.

Apr 06, 2009 | 1999 Chevrolet K1500

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