The original sensor worked fine with a cold engine. Before the engine was up to operating temp, engine would die during this warm up time. The newly installed Walker sensor now loads the cold engine up with fuel while the engine stumbles and misses. Have to keep the engine around 1200 rpm's to keep the engine from missing and loading up with fuel, Once this clears up, the engine will idle when cold but at 650 to 700, but now it is completely off of the higher cold engine idle. The sensor I removed did allow the engine to start and idle problem free when cold, but also the like Walker, would die at idle when the engine is not at normal operating temperature
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