Crap Ton of work done…..P0172 then P0125

Yall probably saw few of my threads 96 2RZ auto 2wd
Basic reason for work was to concur the ‘dreaded hot no start’ condition

Work done:
Cleaned TB
Cleaned intake/plenum
New injectors
New cups

taco runs freakin awesome (big difference)
Idle started high, but after days of idling and short test drives, ECM learned and idle is fine

took out for 30min drive
The hot no start issue appears to be fixed!!!
Started 2nd crank after 15mins after driving

but
CE came on P0172 during drive

 

So I cleared code
Checked obvious visual causes
Went for another drive

then P0125

 

Other factors
No CE lite for front O2 sensor since I took possession of taco
MAF cleaned
No exhaust leaks
FP gauge reads 47lbs when running
FP gauge reads 30lbs after 10 mins


Is this as easy as RR’ng the coolant temperature sensor on back of head?
Thanks

 

Well Well Well
Look at condition of coolant Temp sensor

New installed
Will report findings

 

Update
After P0125 taken care of

still weird ‘dead throttle zone’ at 1000-1500 rpm’s and
After multiple test drives
P0172 kept coming up

well today, P0172 & P0130

 

Now I got 2codes and front O2 sensor is listed as ‘causes’ in both codes

RR’d front O2 sensor tonight
Weird dead zone gone
Did my normal test drive trip/route
(Which throws a code every time)
NOTHING!

think I’m out of woods
Home another member finds my experience useful

 

Excellent job. Sounds like you’re getting it all lined out and definitely good info for other members

 

I agree, good job on persistence