Vehicle Questions and Answers
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If you hear a knocking noise from the engine of your 2.2L Transit, it could be due to a malfunction or failure in various parts like bent rods, rockers, wiring, injectors, or faulty timing. To troubleshoot this issue, you should first check for smoke coming from the vehicle. If there is smoke, ensure that the filters are clean and the rockers are securely in place. If the filters and rockers are okay, the problem is likely with the injectors of the Transit. The injectors might be damaged or having other issues, but replacing them should fix the problem.
There are plenty of reasons why a knocking noise might occur in a diesel engine, such as bent rods, broken rockers, timing issues, or malfunctioning injectors.