Https://www.youtube.com/watch?v=mU6o7aAInVo
https://www.engine-codes.com/search/co223?__cf_chl_jschl_tk__=975a68e62152a290788c3fbda4a77450b224f272-1589394049-0-AYOcR8KKAAE38gGiTNpgSI0k7uctIG3tsfukvX5EJkniq9zuFTfxWIlds9HxFl3N2-JC2Gmgf62JQh1kHY86PTomZVo1WJw280ukmGkOcLlRb6nO2apcYHApY09aJ4DdlMpfdh7R0XZkVxi5Q1iHwSYc45tQStfT2lfyyPCWy0dXb4SmIDZxlcEuB5Oh5Zol92yFaVqKAwqqpJQUhZJ-pvnNkjASz9Acsd1JmCsqyHfX7RYwRHFdyU_RXJFQC0xJeYNj6wA4iaEVAdsBydQlp42dPCyN5c35Dw_h8Cy3N2Wp
SOURCE: my 1997 gmc sonoma
This the problem with IAT bad inlet air temp (IAT) sensor.Get it replaced....................
SOURCE: 1998 GMC Sonoma threw code P1133 02S 1/1
P1133 - Heated Oxygen Sensor (HO2S) Insufficient Switching Bank 1 Sensor 1
I would have the repair shop see if they either damaged or left disconnected the oxygen sensor for engine cylinder bank one upstream sensor, this sensor would have been disconnected if the oil pan was removed.
SOURCE: Starter in a 1992 GMC Sonoma 4.3 v6
bottom rear of engine on the passenger side, the starter is serviced from under the car. it is held to the engine block with two bolts, then u must remove the battery cable and starter solenoid wiring as well, always disconnect the battery before doing any work on the starter.
SOURCE: I need to know how to change the fuel filter in a
Changing filters is on of the easiest at home jobs you can do.
Just locate the the fuel filter housing, take a look and figure it out.
Its as easy as putting air in your tire if you find were its located.
Get The complete tear down and rebuild book for the 98 sonoma @ any parts store and look it up.
SOURCE: Replacing heater core in 2000 GMC sonoma. Dash is
If the dash is removed you've saved about 9 10ths of the job endurance. Look around, what you believe to be, the perimeter of the heater box. I cannot, and no one else can, tell you exactly where the bolts and nuts that mount the heater box are. Therefore you must viually sixe the box and check outide in the engine compartment and inside under the dash for the mounting bolts.You'll want to start by removing the heater hoses. Then starting at the passenger side engine compartment look for a group of 10mm or 7/16ths nuts retaining the housing and remove them. Do the same inside. The housing is usually held together with screws or clips, it changes year to year. Keep a log or pix of the wires and cables and hoses(vacuum) that are connected to the housing for reassembly. You'll need to "roll" the box out from under the dash depending on how much of the dash has been removed. The core is easy to spot for is has two hoses sticking out, and, is encircled with clips or screws . Also make sure you remove the bracket around the two entry hoses if it has one. Thank you, Dana
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