Hello, I have seen multiple threads on starting issues (sorry if this is a redundant post) but I was hoping to get some more specific advice with my vehicle if possible. I have a 2004 LX470 with around 170k miles and recently had an engine swap (a few months ago) from I believe was a 2003 tundra with around 130k miles. Since the engine swap, I have had an intermittent starting issue (see attached video link) where the truck will start, but has a very hard time doing so. The issue seems to only present itself when: I drive the vehicle for a bit (at least 20-30 minutes), turn the vehicle off and let it sit for around 30 minutes, then try and start it again (often when going into a store and coming back out). Furthermore, the issue seems to compound and get worse the more often the truck is started during the day. I have taken the vehicle to multiple mechanics (including dealership) and the issue has not presented itself to anyone, hence I have gotten zero answers/suggestions. The VSC lights have been attributed to a faulty oxygen sensor, which I am told has no relevance.
Starting Issue Video
Some work I have done recently in case it is relevant:
- Clean mass airflow sensor
- Clean Throttle body
- Replace idle up valve connected to power steering pump
- Replace heater Ts and hoses
- Replace Battery
- Ensured alternator is good
From what I have read, I think my next step is to replace the fuel filter and possibly the fuel pump?
Thank you in advance for any advice, it is greatly appreciated!
Starting Issue Video
Some work I have done recently in case it is relevant:
- Clean mass airflow sensor
- Clean Throttle body
- Replace idle up valve connected to power steering pump
- Replace heater Ts and hoses
- Replace Battery
- Ensured alternator is good
From what I have read, I think my next step is to replace the fuel filter and possibly the fuel pump?
Thank you in advance for any advice, it is greatly appreciated!
