I have a 2001 GMC Yukon and check engine light came on and the code said 1153. What does this code mean?

Question:
I've heard its a #3 fuel injector, the 02 sensor, and a couple of more.

Answers:

gas in the oil?

P1153 HO2S-21 (Bank 2 Sensor 1) Insufficient Switching

Possible Causes Setting Conditions
Air leaks present in the exhaust manifold or the exhaust pipes
Fuel pressure is too high (i.e., causing a rich air fuel mixture)
HO2S may be contaminated (due to improper fuel or silicone)
HO2S signal high or low reference circuit has high resistance
HO2S heater element has failed, or the heater circuit is open
MAP sensor or TP sensor is out-of-calibration or "skewed"
PCM has failed

---

Should I put trans fliud in at Red Cap screw if it looks dry and empty?

go to google and type in gm codes and it should pull up a listing for them, i know there is one for dodge trucks. You can go to auto-zone and they will give you a print out of all the codes

---

More Questions & Answers ...

97 F-150 4.6L #4 Cyl misfire--antifreeze leak?

just had a new cat fittrd to my honda civic now the engie warning light is on kwikfit aint got a clue?

how do u race an automatic i know its 1,2,3,d but when do u shift?

my NO emmisions rose from 800 ppm to 1200 ppm after I installed a new EGR. Why?

How can I restart my car after not plugging it in?

1990 lincoln mark VII,hard start after sitting a month?

paint code (exterior and interior) for 2007 RAV4?

I have a code come up on my car that reads Code 3191, what is this?

Does it affect the speed of the car if I didnt break in right ?

how battery discharig rate calculated &how its life decided? why battery plate get shedded & grid get corroded

This article contents is post by this website user, CarQnA.com doesn't promise its accuracy.