Question about 2006 GMC Envoy

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My son just purchased a 2006 GMC Envoy and Check Engine Light kept going on. Dealer said it is due to Secondary Injection Pump (Code P0410),which my son paid them to replace. Again, Check Engine Light still goes on and again he brought it in to them and they now say water in system due to son going thru too many puddles, stay away from puddles??? 3rd time he brings it to them for Check Engine Light and they say they found a crack in the Windshield Fluid Container and this must be the culprit causing water to go into the system. Engine not performing properly Please help!!!

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Until yesterday, I have never had a serious mechanical issues with my 2006 Envoy Denali, which only has +/-60K Miles (under extended 100K Mile warranty).

Yesterday, however, while taking an interstate on-ramp (I think I hit 40 MPH tops?), my 5.3L V-8 engine shut down while in use. I immediately pulled over, as my power steering went out when the vehicle shut off, and coasted to a stop on the shoulder.

My vehicle would not restart... the dealership took a look at it this morning, and their preliminary findings are that the engine threw a rod, there's metal shavings, and some liquid (water?) in the engine.

I'm still awaiting their full estimate of the damage.

Posted on Aug 28, 2010

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How hard is it to change a smog pump on a 2006 Saturn ion?


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I have a service engine soon light on and have hooked up an OBD11 reader to it and got code P0410 pertaining to a secondary air injection problem. hoses are fine, pump is new.


P0410 Oldsmobile - 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

Tech notes: Visually inspect AIR pump and AIR bypass valve harness and connector, if connector are OK, then replaced AIR bypass valve.

When is the code detected? The secondary air injection system does not detect the presence of air in the exhaust when introduced by the secondary air injection system.

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

P0410 Oldsmobile Description An air pump is used on the vehicle to lower tail pipe emissions on start-up. The Powertrain Control Module (PCM) grounds the Air pump relay control circuit which energizes the Air pump. The PCM also grounds the Air combination valve vacuum control solenoid circuit, which energizes the Air vacuum control solenoid. Vacuum is then applied to both Air combination valve diaphragms which opens the shut off valves. The PCM enables both circuits simultaneously when Air system operations id desired. When the AIR system is active, then Air pump forces fresh air into the exhaust stream in order to accelerate catalyst operation. The AIR combination valves replace the conventional check valves. When the AIR system is inactive the shut off valves prevent air flow in either direction.
P0410 Oldsmobile Secondary Air Injection System Malfunction

May 30, 2015 | 2001 Oldsmobile Intrigue

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Why does the check engine light keeps coming back on after repairing/replacing secondary air injection system, code P0410?


a lot of times you actually have to drive the vehicle in order for the engine light to reset. sometimes you can have the engine light reset with a scan tool unless a hard-fault code thenone has to do was known as the drive cycle.this could very firm anywheres to 72 150 miles depending on the manufacturer.

May 16, 2014 | 2004 GMC Envoy

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What does this code mean? P0410


Diagnostic Test Code (DTC) P0410 indicates that your secondary air injection system is not functioning properly.
Not all 2001 Chevrolet Bazers are equipped with secondary air injection. The secondary air injection system was added to vehicles that were to be sold in certain areas where the emissions laws required it, like the State Of California.

The Powertrain Control Module (PCM) monitors the system by commanding the secondary air blower motor to run and the air injection solenoid to open. This causes additional oxygen to enter the exhaust system. The PCM then monitors the signal from the oxygen sensors to see if the commanded air has in fact, entered the exhaust system. Code P0410 sets when the PCM has commanded the blower motor on and the solenoid open and there is little or no change in the oxygen sensor signal.

GM has had some problems with these systems and there has been a Technical Service Bulletin (TSB) issued that addresses some of the known concers. Below is a brief description of the TSB and the issues involved.

Bulletin No.: 04-06-04-015A
Date: November 28, 2006
TECHNICAL
Subject:
LN2, L43 or L35 Engine SES/MIL Light Illuminated, AIR Pump Ingesting Water and DTC P0410 Set (Replace AIR Pump and Inlet Hose Assembly)
Models:
1999-2003 Chevrolet Blazer, S10
1999-2001 GMC Jimmy
1999-2003 GMC Sonoma
1999-2001 Oldsmobile Bravada
with Vortec 2.2L I4 or 4.3L V6 Engine (VINs 4, 5, W - RPOs LN2, L43, L35)
Condition
Some customers may comment on the SES/MIL light being illuminated. Upon investigation, the technician may find a DTC P0410 indicating that there is a concern in the secondary air injection system.
Cause
Water may have collected in the AIR pump or the vent solenoid and frozen or corroded the pump.
Correction
Replace the AIR pump and install a new inlet hose and solenoid tube assembly...

The bulletin goes on and gives detailed information on how to perform the repair and the part numbers of the replacement parts needed to do so. Your local dealer can provide the parts for you and you can probably get them to print out a complete copy of the bulletin for you. It is not really hard to do if you want to do this yourself.

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1 Answer

Am looking for what the carmd code p0410 means for a 2004 buick ranier - my car md is not working right.


CEL light/code P0410, secondary air system fault.
DTC P0410 - Secondary Air Injection System

Suspect -
Relay/fuse (box B) loc 3 ,15amps
Pump $434(new) / $243 (Remanufactured) / $95 (used,Ebay)
solenoid $73
check valve $18
http://www.autopartswarehouse.com

A new pump, or simulator!

What signals the ECU, if the seconary Air Injection system isn't working?
H20 sensors, if running rich > Xtime throw code!
The pump only runs when the engine is cold, so the air & rich fuel mix is burnt in the exhaust manifold, so there's less Emission.

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Check Engine ight


Hello there:
Here is the code
P0410 Secondary Air Injection System Malfunction
It is another air pump that pushes air into the exhaust so the cats can burn more pollution.. It does not affect drive train, just emmisions it shouldnt cost about $400 if it is the air pump, Unless there is a secondary problem, ok?
Hope this helps you out
Best regards Michael

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2000 GMC Sierra 3 door 5.3, tried to get smog - failed due to SES light, code PO410. any suggestions?


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2 Answers

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