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2. Engine knocking - Wikipedia

   en.wikipedia.org/wiki/Engine_knocking

   In spark-ignition internal combustion engines, knocking (also knock, detonation, spark knock, pinging or pinking) occurs when combustion of some of the air/fuel mixture in the cylinder does not result from propagation of the flame front ignited by the spark plug, but when one or more pockets of air/fuel mixture explode outside the envelope of the normal combustion front.

3. Ignition timing - Wikipedia

   en.wikipedia.org/wiki/Ignition_timing

   Pressure in cylinder pattern in dependence on ignition timing: (a) - misfire, (b) too soon, (c) optimal, (d) too late. In a spark ignition internal combustion engine, ignition timing is the timing, relative to the current piston position and crankshaft angle, of the release of a spark in the combustion chamber near the end of the compression stroke.

4. Firing order - Wikipedia

   en.wikipedia.org/wiki/Firing_order

   For this inline-4 engine, 1-3-4-2 could be a valid firing order.. The firing order of an internal combustion engine is the sequence of ignition for the cylinders.. In a spark ignition (e.g. gasoline/petrol) engine, the firing order corresponds to the order in which the spark plugs are operated.

5. Ford Probe - Wikipedia

   en.wikipedia.org/wiki/Ford_Probe

   Ford Probe GT rear The GT included all the equipment of the LX, but featured the F2T 2.2 L turbocharged, intercooled 4-cylinder engine that produced 145 hp (108 kW) and 190 lb⋅ft (258 N⋅m) of torque. It came with an IHI RHB5-VJ11 turbocharger and an intercooler to the intake tract, as well as a knock sensor and electronic boost controller ...

6. Ford Power Stroke engine - Wikipedia

   en.wikipedia.org/wiki/Ford_Power_Stroke_engine

   In the late model engines, Ford also redesigned the HPO stand pipes and dummy plugs in the HPO manifold, using poor-quality O-rings. These O-rings were prone to failure causing a HPO leak, and eventually a no-start condition. Ford addressed this concern with updated Viton O-ring washers fixing the issue.

7. Pre-ignition - Wikipedia

   en.wikipedia.org/wiki/Pre-ignition

   [1] In the case of highly supercharged or high compression multi-cylinder engines, pre-ignition can quickly melt or burn pistons since the power generated by other still functioning pistons will force the overheated ones along no matter how early the mix pre-ignites. Many engines have suffered such failure where improper fuel delivery is present.