Where is the relay for the 99 suburban located?

99 suburban: secondary air pump stays..My mechanic stated..relay… Customer Question I have a 99 suburban… I have a 99 suburban. I noticed the secondary air pump stays on all the time, even if I have the ignition turned off. My mechanic stated that it might be the relay? Where is the relay for the 99 suburban located?

How long does the secondary air pump last?

It helps remove unwanted hydrocarbon emissions, air is injected post combustion for a predetermined amount of time after the engine is started. The system is only operational for a small amount of time post start (the amount of time varies depending on engine temperature, but is typically around 30-60 seconds), and inactive thereafter.

What happens when a secondary air injection pump goes bad?

You may be driving normally and then suddenly experience engine stalling or hesitation in your vehicle. A secondary air injection pump that is wearing down can cause inconsistent power gaps from the engine. One minute the power may be fine, and the next the RPM drop too much and the engine shuts off.

Where do the codes go on an air pump?

Got both the ones that go directly on the heads for a full delete and the ones that go between the pipe and the valves. Thought it might be easier to leave the valve with the atmo sensor in place and remove everything else. Have ordered a Tactrix cable as well so I can get a tune and get the secondary air pump codes deleted at the same time.

Where is the air pump relay located on a Chevy?

The relay for the air pump is located in the under hood fuse box, if that is not the problem the problem is most likely a shorted ground wire to the relay, it would need to be traced back from the relay until the problem is found. THe grounding wire is brown in color. Ask Your Own Chevy Question

What should I know about my suburban water heater?

Water Heater Troubleshooting & Repair (Suburban) This guide is intended to assist Heartland Owners in troubleshooting and repairing common failures of the Suburban Water Heater. This document doesn’t specifically cover the Atwood design.

What is the trouble code for secondary air injection?

Other secondary air injection system trouble codes include P0411, P0412, P0413, P0414, P0415, P0416, P0417, P0418, P0419, P041F, P044F, P0491, and P0492. Possibly symptoms include: A code P0410 may mean that one or more of the following has happened: Water may have collected in the AIR pump or the vent solenoid and frozen or corroded the pump