U0291 DTC For Toyota Prius 4
Toyota Prius 4 Engine Specifications:
| Engine Type : | Single Cylinder Engine |
| Cylinder Type : | Opposed Cylinder Engine |
| Engine Air Intake Process : | Naturally Aspirated |
Your Toyota Prius 4 engine control system detects a problem, the computer stores the diagnostic trouble
code U0291 in its memory.
To figure out what is wrong with your vehicle you must first extract the U0291 DTC For Toyota Prius 4.
To solve U0291 Toyota Prius 4 problem, you'll have to remove the muffler, crankcase and other components blocking the valve chamber. Then, remove the cylinder head bolts (label for easy re-installation) Adjust the jaws of the valve spring compressor until they touch the top and bottom of the valve chamber Push the tool in to compress the spring and tighten the jaws Remove the retainers and lift out the valves , compressors and springs
U0291 Toyota Prius 4 DTC Meaning
| U |
Network Code - Problem is climate control system, lighting, airbags, etc. |
| 0 |
SAE - Generic |
| 2 |
Computer And Auxiliary Outputs |
| 9 |
TP Sensor Learn Not Complete |
| 1 |
PCM Stack Overrun |
While fuel economy was increased, acceleration was seriously compromised, and the loss of engine vacuum led to a dangerous loss of braking assist when the U0291 Toyota Prius 4 code system was in four-cylinder mode. In addition to these issues, while the company proposed a hydraulically controlled system that could be switched from within the car, the version they implemented had to be manually changed in the engine compartment using hand tools.
You can also check other Toyota car models :
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The listed Toyota models will give information about U0291 DTC.
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