How does water get into the air pump system? 2012 Toyota Tacoma 4X4 - been in garage since April 7th.

30

Asked by Apr 20, 2015 at 04:41 PM about the 2012 Toyota Tacoma PreRunner Double Cab V6 SB

Question type: Maintenance & Repair

This car has been in the garage, has not been in any high water, check lights came on,
would not accelerate above 40 mph, had a lot of water in the air pump system.  The
estimate for repair is about $2,000 and the mechanics do not know how this happened.

28 Answers

146,515

Ok I have really been looking trying to get to the bottom of this. Are you talking about the secondary air injection pump for emission control, it's new to 2012 Tacoma.

5 out of 5 people think this is helpful.
146,515

and this? How the heck did water..opps that's what you are asking

2 out of 2 people think this is helpful.
146,515

.

1 out of 1 people think this is helpful.
146,515

.http://www.tundraheadquarters.com/blog/tundra-sequoia-air-injection-induction-pump/

3 out of 3 people think this is helpful.
30

Yes, I believe that is it. Do you know if there has been a recall on this one? The cost is going to be about $2,000 for the Tacoma.

2 out of 2 people think this is helpful.
146,515

No recall but a TSB (Technical Service Bulletin) has been issued. See these pages http://www.autosafety.org/sites/default/files/imce_staff_uploads/T-SB-0160-11.pdf

4 out of 4 people think this is helpful.
146,515

http://www.tundraheadquarters.com/blog/toyota-warranties-air-injection-pump/

2 out of 2 people think this is helpful.
146,515

I put them in separate windows to make it easy to link, No re-call but warranty extended. The "Tundra Headquarters...." site is older and not updated. Call 1-888-270-9371 and/or 1.800.331.4331 for more information

2 out of 2 people think this is helpful.
146,515

T -SB-0160-11 Re v2 October 17, 2011 Secondary Air Injection System - Water Intrusion: MIL "ON" DTC P0418, P0419, and/or P244#

1 out of 1 people think this is helpful.
30

Where is evidence that the same part is used on the 2012 Tacoma? I will call the numbers you sent. Thank you for your response.

1 out of 1 people think this is helpful.
146,515

That I don't have. Just got all that from research, hoping to help ..browsing forums, parts suppliers, car complaints sites. The truck is barely 3 years old and Toyota should stand behind it, they have a reputation to uphold. A 2012...you are past 3 years from date of sale or 36,000 miles? I think you are or they would not be talking money

2 out of 2 people think this is helpful.

I have a 2012 Tacoma FRD 4X4, had simla problem. Took it into the derler it was under warranty replace it for free. They said they have had no problrms with the Tacoma model which I think is BS,

You start your truck on a cold rainy day. The secondary air injection pump kicks in at a high rate. You start driving, that motor is not sucking clean dry air, it's sucking air with a lot of water. Now it finally shuts off and all that water has no where to go, so it sits inside the pump housing guess what. It's easy money Toyota service dept, takes 5 minuets to change out! That intake pump pipe should be connected up to the top of the intake box.

1 out of 1 people think this is helpful.
70

Just had my 2012 Tacoma go into limp mode. You guessed it, air injection pump/water. Blah blah bull $hit... $2000 in charges, dealer acted dumb when I asked them if it was a known issue. This is rediculous as I do not even have 60k miles yet... Toyota should be embarrassed for not standing by their product. I guess I'm only supposed to drive my truck when it is dry out and only park in a garage? Has anyone had any luck appealing this issue? How many times does this have to happen before a recall is issued?

7 out of 7 people think this is helpful.
30

https://www.tacomaworld.com/threads/code-p2442.404765/#post- 11321075

1 out of 1 people think this is helpful.
10

2012 Tacoma 43,000 miles. Exact same response from the dealer. Out of warranty. I appealed to Tayota. 3 days later, sorry not our problem. That was my last Toyota or anything to do with them. There is too much evidence that this is a faulty design.

1 out of 1 people think this is helpful.
30

Several issues, Toyota had a piece of foam on intake pump which draw road debris/water into the motor. Instead of drawing air from the air intake pendulum. Several site do sell pump replacements for about $160. https://www.tacomaworld.com/threads/secondary-air- injection-switching-valve.381997/page-3

2 out of 2 people think this is helpful.
10

I am having a similar problem my 2012 Toyota Tacoma cel light and TRAC off light both came on speed was reduced to 35mph definitely not as much power as it should have. Took it to pep boys and they said it was the air injection pressure sensors bank 1 and bank 2 any suggestions?!

1 out of 1 people think this is helpful.
20

My 2012 tacoma experienced the same TRAC off light and engine light on Friday. Dropped it at the dealer the same day. Roughly $650 for part (new air injection pump) for a total of $798 repair. Parts are on back order (delivery Thursday) as the warehouse reports there has been a run on replacing these parts. Starting to sound like a problem part.

2 out of 2 people think this is helpful.

As the Tacomas get older, parts will start to wear out. This is an easy fix if you're handy with a wrench. Air pumps $150 plus labor. Sugest getting by pass kit so you'll have no more future issues with it. https://www.hewitt-tech.com/store/

2 out of 2 people think this is helpful.
30

Here is another case....2012 Tacoma with the same issue. I have owned 5 Toyota trucks, a Forerunner and a Camry. If I have to pay $2,000 for this repair, I will never buy another one.

3 out of 3 people think this is helpful.

I live in Massachusetts, a Cali emissions state and I also work as a service writer in the automotive field. I pulled a few strings with the guys I know at the Toyota parts department. He read from the "dealer" warranty manual that secondary air pump systems fall into the 7 year, 70,000 mile emissions warranty. If you're not in a CA emissions state you may have to cough up the $800 to repair it. I've seen the air pumps for sale online in the $550 range for the DIYers.

30

Heard that Chevy S10 air injection pump is compatible with Toyota. Might have to swap out connections to make it work. 2000-2002 Chevrolet S10 Secondary Air Injection Pump.

25

2012 taco 96,000km just replaced secondary air intake pump at dealer. I agree that recall is in order.

2 out of 2 people think this is helpful.
10

Same thing. Check Engine Light, Trac OFF light. Dealership said Secondary Air Emissions System, can't tell what is wrong until they tear it down. Up to $2,000 to repair. My Tacoma has 56,000 miles. I agree a recall is in order. Or a class action law suit. This is ridiculous. I only drive Toyotas. That will end if they do not fix this.

1 out of 1 people think this is helpful.
10

Same thing is happening to me. 2012 Toyota Tacoma V6 4X4.

1 out of 1 people think this is helpful.
10

I'm also having that problem, it started Friday after work i drove it in at 40 mph , it's Monday and they just called me and told me it was the air injection pump and valve. same here Toyota Tacoma 2012

1 out of 1 people think this is helpful.
20

my 2012 Toyota Tacoma, 71,800 miles. code P2442-P2440 secondary air injection system switching valve stuck open bank 1 and 2. Dealer blamed animal urine contamination of air pump which caused failure of air switching valve, really ??? bunch of BS ! took to another dealer who told me the Tundra had similar issues addressed with enhanced warranty. Told me to call Toyota to plead my case for coverage under warranty like the Tundra model. I called and we will see their response. The current dealer said I just need the valve assembly replaced not the pump yet.

2 out of 2 people think this is helpful.

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