Computer problems

Computer: Engine Control Unit. It regulates all the aspects related to the engine's proper functioning.
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Misfire codes P0304, P0300 SolvedSolved

Toyota Tacoma 2006 DCSB 4.0 PreRunner 294000 miles
Flashing check engine light. Recurring P0304. Replaced spark plug and coil pack on cylinder 4. Occasionally, will throw P0300.

Am I potentially having fuel injector issues rather than electrical?
NBTXMEDREP from United States 6 months ago  
NB
Rank 4
2 reports 
Tols from United States 3 months ago
Same issue and a little rough idle
NBTXMEDREP from United States 3 months ago
Had mine professionally diagnosed and repaired by a Toyota-specialized independent shop.

It was spark plugs…
Solved
Best answer (according to NBTXMEDREP)
NBTXMEDREP from United States 3 months ago
Situation resolved. Spark plugs.
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Codes P0031, P0051

Toyota Tacoma 2006  113000 miles
Only after a few minutes of starting the car, the stereo, dashboard clock and cabin's lights turn off. 20 minutes later, everything returns to normal. I've already changed fuses and relays. Can someone help me please?
mally from United States 11 years ago  
MA
3 reports 
amy from United States 11 years ago
The same happened to my Toyota Tacoma 2006 and it was a poor contact in a fuse located on one of the battery's sides. I closed this fuse's contacts and it stopped failing.
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Performance failure

Toyota Tacoma 1996  254000 miles
My Tacoma indicates codes p0325 and p0336 and it loses power when starting and after a while, it suddenly develops. I've already changed the crankshaft sensor, candles and wiring but it is still the same.
Pamela from United States 11 years ago  
PA
2 reports 
Irene from United States 11 years ago
Each of the cylinder's compression should be checked, as it sometimes happens that a piston ring breaks and it produces the failures you are talking about.
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درباره ایسیو

Toyota Tacoma 1997 Forner5vz 5000 miles
سیم های OBD2 راازایسیو نمی‌دونم کدوم پایه میشه ایسیو دنده دستی است
1
سعید from Pakistan 10 months ago  
سع
1 reply 
سعید from Pakistan 10 months ago
Fourner six-cylinder 5VZ engine I installed it on the other side of the car, now it has an OBD2 connector. I don't know which socket and which pin to connect the ECU to.
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Code P0441 after it fails Smog Test

Toyota Tacoma 2014  130000 miles
After putting gas into truck this code came on p0441. I replaced gas cap with OEM from dealership and problem still persist. I cleared the codes and I drove the vehicle 200 miles and turned truck on and off 15 times. Check Engine light came back on. I can’t pass smog unless I fix the issue and clear the code.
TacoTime from United States 6 months ago  
TA
3 reports 
Nestlieee from United States 6 months ago
I bought a smoke machine, the problem seemed to begin at the top of the gas tank. Dropped the gas tank only to find a huge hole on the evap line that connects to one the gas filler tube lines.it is a pain in the butt. Id recomend taking it in 😭 dont know how im putting it back together 🥲.
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2
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No speedometer

Toyota Tacoma 2007 Crew cab 200 miles
Speedometer do not run p0500
Jimm from Canada a year ago  
JI
1 reply 
kiefer from United States a year ago
Were you able to find the problem? same issue here
Comment

OBD P0031. What's the fuse # for the oxygen sensor heater?

Toyota Tacoma 2019  37000 miles
Check engine light - OBD P0031
What us the fuse # for the sensor.
Sammy from United States 2 years ago  
SA
1 reply 
Keith from United States 2 years ago
The only fuse I could locate. I’m sure there is also a relay that controls the circuit.
1
2
Comment

Key Fob stopped Working

Toyota Tacoma 2012 Prerunner Quad Cab 4.0L V6 125000 miles
Yes, I replaced the battery on the key fob. Went to get a replacement and found out that the "alarm" system would not communicate with thier computer. Anyone know where the fuse for the antitheft system is?
PapaRobAZ from United States 3 years ago  
PA
8 reports 
Rozel from United States 2 years ago
I’m running into the same problem, mine stopped working all together, I replaced the battery also, did you figure out the issue on yours ?
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It was driving when the check light came

Toyota Tacoma 2013 2.7 220 miles
Check with scanner it show me P0301. I ready check coil ,spark plugs what else could be
CngM from United States a month ago  
CN

Efi no. 2 fuse no power to fuse. Also obd11 has no power.

Toyota Tacoma 2006 Double cab 4.0 4x4 145691 miles
No power going to fuel pump, checked all fuses and relays. Cranks over but no start.
Byron from United States a year ago  
BY
2 reports 

No speedometer

Toyota Tacoma 2007 Crew cab 200 miles
Speedometer do not run p0500
Jimm from Canada a year ago  
JI

P0500 replece speed sensor

Toyota Tacoma 2000 2.4 srs 202000 miles
L replece speed senser chek ing ligth on velosimetrer is workin what is the best wet to trouble shouting
Banba from United States a year ago  
BA

P0102 هذا العطل

Toyota Tacoma 2005 4.0 330 miles
(EFI NO.2) نظام حقن الوقود متعدد المنافذ / نظام حقن الوقود متعدد المنافذ المتسلسل
هذا الفيوز يتلف وينعدم جهد السيارة ولا اعرف السبب
Mahdi from other 3 years ago  
MA
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