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Automotive Repair Car Troubleshooting Topics   Car Troubleshooting   Engine Troubleshooting   Engine Fault Codes   Electrical and Wiring   Transmission Problems Car Repair Topics   Car Making Noises   Car Stereo Repair   Heating or AC Issues   Motorcycles and ATVs   Tricks of the Trade   Truck Repair Advice Site Options:      Login   Sign up here! Latest Forum Post   2011 Dodge Nitro OBD scanner seems to drain battery in 10-20 minutes When I bought this car in summer 2023, a... Grounding Cable, 2017 Jeep Renegade Trailhawk The Cable that connects my negative batt... Rough Idle (Found new thing) Hi everyone. First of all sorry for bad ...     equipment hey yall. im a first year engineering st...   HELP I have a 1956 1/2 ton panel truck, 69 35...   Howdy     Just wanted to s...   ABS/Tractiob/Brake Lights on But No DTCs Hello all, Recently while driving m...   Chevy strut replacement I'm trying to get a sensor of some kind ...   2020 suburban new transmission and issues after install recently had the transmission fail at 11...   Caliper piston post cleaning won't screw in Hello, 2013 Hyundai Elantra limited (ma...

Search Auto Parts Search 95 Neon - High Idle!? Please Help Me! Sign up here!   Email This Post Auto Repair Home>> Automotive Repair>> Engine Troubleshooting thebsuguy New User Jun 9, 2015, 6:25 PM Post #1 of 3 (1136 views) 95 Neon - High Idle!? Please Help Me! Sign In I have a 95 neon SOHC that drives with a very high Idle. Not all the time, but 85% of the time witch i find strange. This has been going on for the better part of a year and the car is almost undrivable. Its putting a hurting on my breaks for sure. I had replaced the PCM 5 years ago. Replaced the timing belt 2 months ago. I have searched all around for vacuum leaks but am not able to find anything. I pulled the throttle body off and cleaned it very well. I replaced the IAC. The car continues to idle out of control as if the IAC is wide open. The only way to get the car to idle correctly is to cover the idle hole in the throttle body 90% up with my finger. The guy at Auto Zone said if its not IAC or vacuum hoses, then I should start replacing sensors. PLEASE HELP! How do i diagnose this problem? Discretesignals Ultimate Carjunky / Moderator Jun 10, 2015, 4:29 AM Post #2 of 3 (1111 views) Re: 95 Neon - High Idle!? Please Help Me! Sign In Any trouble codes stored in the PCM? Does the engine stall or idle really low if you cover the IAC port 100%? Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved. (This post was edited by Discretesignals on Jun 10, 2015, 4:29 AM) thebsuguy New User Jun 11, 2015, 10:51 PM Post #3 of 3 (1090 views) Re: 95 Neon - High Idle!? Please Help Me! Sign In I am receiving the following code: 12,25,32,55 Because of this i just replaced all the vacuum lines and replaced the throttle position sensor. No change, still super high idle?! Whats next?   Email This Post   Automotive Repair     Auto Body Repair and Refinishing     Heating or AC Issues     Electrical and Wiring     Brake Systems     Car Stereo Repair Advice     General Discussions     Car Making Funny Noises     Engine Fault Codes     Engine Troubles     Exhaust Systems     Steering and Suspension     Transmission Troubles     Tricks of the Trade Automotive World     General Discussions     Antique Car Talk     Car Shows and Events     The Bargin Bin     Motor Vehicle Inspection     Car Care Tips     Traffic Tickets     Gasoline, Motor Oils, Concept Cars and Engines     Auto Insurance, Financing, Leases, Warranties Truck Repair     General Discussions     Truck Engine Repair     Truck Suspension Repair Motorcycle Repair     General Discussions     Motorcycle Engine Repair CarJunky     Open Posting     Board FAQ's     New Board Suggestions

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