NO. The engine computer is in open loop until the engine heats up to operating temperature 195 degrees are more. that means it don't hear the lifter noise and by the time the computer can, the lifter quites making noise.
Stuck hydraulic lifter.
Yes, just about any sensor on the engine could cause a no start.Yes, just about any sensor on the engine could cause a no start.
Could possibly be a bad lifter.
The oxygen sensor is one of many things that could turn the check engine light on.The oxygen sensor is one of many things that could turn the check engine light on.
A bad O2 sensor could cause the engine to overcompensate for what it believes to be a problem. It will tell the engine to let in more or less O2 and could damage the engine in the long run. The sensor is not too expensive to replace and could save you LOTS of money in the future.
A clicking noise in the engine of a 91 Ranger could indicate a problem with the valves. A valve lifter in the engine may be worn or stuck.
well a couple things could be wrong depending on what year. if it is a hydraulic lifter then the oil pressure might not be high enough for the oil to reach the lifter causing a knock. another problem could be that your rod and main bearings could be worn out causing a knock and low oil pressure.
could be a loose lifter or sticky lifter, loose or sinking valve, or a rocker arm, and it could even be a spark plug jumping a ground to the engine, i need more info, like, does it only do it at idle, or does it get faster when you rev it, or does it do it all of the time, is it just completely random? email me at Systemat1c@live.com
Answerif im not mistaking that sound should be the solenoid opening and closing.Improved: it also could be a sticky lifter, a lifter going bad, exhaust leak, or a spark not grounding right.
The orange engine light means that your Saturn LS300 has a sensor that is signaling for a service. This could be an oxygen sensor, an oil sensor, or even a tire sensor.
your knock sensor could need to be replaced
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