1998 Nissan D21 B1251 Fault Code Check
When you check 1998 Nissan D21 car engine light came on code B1251 the reason should be . However Nissan manufacturer may have a different definition for the B1251 OBD-II Diagnostic Body (B) Trouble Code. So you should chech it on our car models.
To solve B1251 1998 1998 Nissan D21 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
1998 Nissan D21 B1251 OBD-II Diagnostic Body (B) Trouble Code DescriptionB1251 Air Temperature Internal Sensor Circuit Open so you have to check ODB-II Fault Code Check list.Reason For 1998 Nissan D21 B1251 CodeThe reason of 1998 Nissan D21 B1251 OBD-II Fault Code Check is B1251 Air Temperature Internal Sensor Circuit Open. |
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1998 Nissan D21 B1251 Possibble Fix Ways :
The engine relies on the glow plugs to generate heat to help with the combustion cycle. Some engines only use the glow plugs when cold but others will allow the glow plugs to work when the ECU (vehicle's computer) needs them to be on to help with combustion. Problems in this area will cause diesel engine starting problems, uneven running and white smoke when the engine is cold.
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 B1251 1998 1998 Nissan D21 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.
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What does fault code B1251 mean for 1998 Nissan D21 ?
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