Question about Lincoln Town Car
Hi, there are several components that can affect the injector pulse width, which is causing the surge. The best way to diagnose this is to hook up a scanner and drive the car while someone looks at the data. The data to check is the upstream oxygen sensors, MAP sensor, throttle position sensor (if you have one), and the mass airflow sensor. These are the components that have the largest potential to cause a surge. If the car cannot be scanned under load, these compnents will need to be tested individually to determine which is at fault. Another possible sorce for help with the diagnosis is if the computer has set the engine light. In that case, the scanner can extract trouble codes that may also identify the problem component. Is the engine light on?
Posted on Mar 14, 2011
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Posted on Jan 02, 2017
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