02 Tracker shakes when first accelerating
#3
Inspect the spark plugs, spark plug wires and vacuum hoses. Look for spark plugs that are covered in oil or sediment or damaged, spark plug wires that have damaged insulation, and vacuum hoses that are unplugged or leaking. Check the fuel pressure with gauge. While most acceleration problems are likely caused by problems with the plugs, wires or fuel, a variety of sensors and other components can cause similar problems. Diagnostic code readers can be used to locate faulty sensors and other electronic devices.
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