2007 toyota tundra crankshaft position sensor location

I will do my best to provide as clear of a picture as possible without giving unnecessary details, but I tend to be long-winded - my apologies in advance.

Issue: truck will not start.

2007 Toyota Tundra Crewmax 2x4 5.7L with 156,000 miles.

Check engine light comes on* and I use an OBDII scanner tool to pull the code: P0335 = "crankshaft position sensor". I'm able to get my truck drivable by turning it over 4-5 times and it fires up no problem. I drive it home. It runs fine, up to 75mph. Park it in my driveway.

Later that evening I Google it and apparently, these sensors can go out at sporadic times. Some people claim 55,000 miles and theirs go out - so maybe I'm lucky that 14 years and 150k later I'm just now experiencing an issue. But I also read that it could be a dead battery. I get the battery tested and it's not the battery. So I order a replacement sensor off of amazon and wait for 3 days.

The sensor comes in today and I install it in my truck. Go to fire it up and nothing - try 3 more times and greatness, it works. The truck fires right up - sounds good and so I let it idle. 5 minutes into idle and no issues (other than the check engine light remains on). I decide it's probably fixed at this point and so I decided to drive my truck into town 30 minutes away and run some errands. I park outside of Academy and when I come out it won't start. I had a tool kit in my truck so I uninstall and reinstall the same sensor - no luck.

I then start calling every AutoZone and O'Reilly Auto parts stores in my area and find 1 store that's 45 minutes away that has a replacement part. So after 2 hours of getting my family home and then getting a ride to the auto parts store, I get the $75 new sensor and head back to my truck. I install the new part and nothing.

I find it very very improbably that my truck had a sensor die, a replacement sensor not work (even though it did once), and the replacement to the replacement not work. But the entire time, it has only ever thrown the p0335 code for the crankshaft position sensor OR a code related to that. (I did get codes that were p0340, p0345, p0365, p0390 - which are all crankshaft sensor related but on different locations on the block).

What am I missing here? What do I try next? Currently, my truck is sitting at an Academy parking lot and I've got 2 days tops to fix this problem.

*I've only ever had one issue in the past that was pretty repeatable and could be related to this but I'm not sure. If I fill my truck up with gas, not topping off, and then go park on a steep incline at work - I will almost always have a check engine light come on regarding an EVAP sensor. This generally clears itself once the gas goes down or evaporates off of the sensor. This situation happened a week before the crankshaft position sensor issue.

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Fits Tundra (2007 - 2021)

Crankshaft Position Sensor - Repair or Replace
A failed crankshaft position sensor will often cause your Toyota Tundra to crank without starting or may cause it to die intermittently. If your check engine light is on as a result, our technicians can diagnose and repair the problem.

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1. 

   HarMac23 [OP] New Member

   Joined:Mar 21, 2020Member:#44157Messages:2Gender:MaleVehicle:2007 Toyota Tundra SR55.7L engine. 4-wheel drive

   Hey guys my check engine light came on and the code it was giving me was for the crankshaft position sensor. Has anybody had to replace this before and how hard was it to get to and replace? Also if you know the location of where the sensor is located that would be great! Everything I have read says my truck should either not be starting or it should be running roughly. Neither of which is happening. Is it safe to drive if these problems aren't occuring?

   Last edited: Mar 21, 2020

2. I have, super easy. Driver side, toward the rear of the engine, 5.7l, just in front of the transmission bell housing its covered by a small aluminum piece about 3 inches long teardrop like, size 12mm if I remember correctly. Roll down there with a 10, 12, and 14 just in case.. because I don't remember. Part was about $95 at Oreilly... but be advised.. I did get this code just before my starter went out..

3. I'm at work at this time, and I brought my truck, if it's not raining I'll snap a pic and post it in about an hour....

   Edit: Here is a google image I used.
   

4. 

   HarMac23 [OP] New Member

   Joined:Mar 21, 2020Member:#44157Messages:2 Gender:MaleVehicle:2007 Toyota Tundra SR55.7L engine. 4-wheel drive

   Awesome thanks man! I’ll go check it out then! I also had a cat converter bank low code. After I reset the codes and the light came back on all I’m getting is the cat converter code. I’m wondering if I have a bad O2 sensor and that kicked on the crank sensor code as well

5. Yes... is it upstream or downstream???

   Having issues uploading the picture and I just realize my rear main seal may be bad...

6. Black Pigtail to the top left. Between the crossmember and bell housing on the picture.. additionally I do realize the oil leak in the bell housing I was 2.5 quarts low today.. damn...

   

   Last edited: Mar 21, 2020

7. Because my phone sucks, google drive sucks and I suck at posting links, I've attached the actual picture. That black thing in the bottom left hand corner is the cross member, the black thing on the right is the transmission. Just incase you're confuse. I took the picture from beneath the driver door, just behind the front left tire.

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