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| The all list of engine trouble codes. |
C1421 Engine Diagnostic Code
Do you have fresh, clean fuel in the tank? If it's empty, fill it up and go! If it's full, check C1421 that the fuel shut-off valve is open and that it is clean. Stale fuel, dirt and debris are the most common cause of outdoor power equipment not starting properly. If you store equipment with untreated gas in the tank, it can lead to engine damage.
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C1421 engine code provides below are generic codes that may not apply to all vehicles. Car manufacturer uses specific C1421 DTC code that are different from the codes shown below. Foreign vehicles may also use DTC codes different from the generic Engine Diagnostic codes. |
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C1421 Diagnostic Trouble Code Meaning And Solution
| 0 | 1 | 4 | 21 |
|---|---|---|---|
| Chassis Problem | MFG - Manufacturer Specific | Auxiliary Emission Controls | 21 Engine Fault Code |
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Starting letter 0 diagnostic code shows that there are problems in controller area network wiring bus and modules.
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Don't forget ! If your C1421 engine code not resolved on and there are trouble codes in your computer, your vehicle will not pass an OBD 2 emissions test. The light must be off and there must be no codes in memory to pass an OBD 2 emissions test. In addition, all of the OBD II self-monitors that check for faults must have run and completed without finding any further problems to pass the test.