P158B DTC For Fiat Cabriolet
Fiat Cabriolet Engine Specifications:
| Engine Type : | Multi-Cylinder Engine |
| Cylinder Type : | V-Type Engine |
| Engine Air Intake Process : | Turbocharged Engine |
Your Fiat Cabriolet engine control system detects a problem, the computer stores the diagnostic trouble
code P158B in its memory.
To figure out what is wrong with your vehicle you must first extract the P158B DTC For Fiat Cabriolet.
To solve P158B Fiat Cabriolet 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
P158B Fiat Cabriolet DTC Meaning
| P |
Powertrain Code - Problem is related engine, transmission and emissions systems. |
| 1 |
MFG - Manufacturer Specific |
| 5 |
Auxiliary Emission Controls |
| 8 |
Crankshaft Position Sensor Circuit Performance |
| B |
TFP Valve Position Switch-Drive Without Drive Ratio |
The original multi-displacement system turned off opposite pairs of cylinders, allowing the engine to have three different configurations and displacements. P158B Fiat Cabriolet code had an elaborate diagnostics procedure, including showing engine trouble codes on the air conditionning display. However, the system was troublesome, misunderstood by customers, and a rash of unpredictable failures led to the technology being quickly retired.
You can also check other Fiat car models :
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The listed Fiat models will give information about P158B DTC.
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