Hunting Idle Problem What Is This R Fordranger 44k subscribers in the fordranger community. a subreddit to discuss anything ford ranger related. Well, there's only like 5 things that run an engine. air, fuel, spark, timing, compression. hunting idle is generally a f problems, vacuum leak is just one of the most common. also you didn't mention anything about looking for one, and you've already replaced components related to a vacuum leak.
What Part Is This Snapped Off Causing High Idle Problems Ranger Squirt water test. you would take a soda bottle and stab a tiny hole in it, fill it with water, and at idle you would squirt around the engine (like around the intake manifold) as soon as you find the leak, the engine idle would improve and you would hear the engine sucking up that tiny bit of water. this is 100% safe. 4.0. transmission. manual. nov 18, 2009. #1. i searched these forums and cant seem to find the answer my idle is 1500 cold and drops to 1200 after warming up. i reset tps to .96 volts i cleaned maf with maf cleaner. i replaced coolant temp sensor. i replaced iac valve today. Description. high idle between shifts or in neutral 4.0l engine with manual transmission. issue. some 2004 2005 rangers equipped with a 4.0l engine and manual transmission, may exhibit a higher than expected idle between shifts, during a coast down with the clutch depressed, or with the transmission in neutral. action. Fuel injected engines use an electronic "choke", the computer controls this. when engine is cold computer will run injectors rich, raise the idle and advance the timing. so to tell if computer is doing it's part, your idle should go up to 1,500rpm when first started. then drop to 1,000rpm after a few seconds.
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