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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   1989 toyota pickup 3.0 crank no start I have a 1989 toyota pickup 3.0 crank no...   Strut spring orientation and strut mount tension nut 2017 Nissan rogue awd 2.5 L Put in Monro...   Transmission stuck in part, I have tried everything So I'm working on my elderly fathers 201...   2017 dodge journey LED headlights on/off randomly Year of vehicle 2017 Make of vehicle dod...   Kia Soul starter replacement issues! Okay so my car is a 2010 Kia soul 2.0 en...   Please Help - Knock sound & engine fail Hi all, Hoping to get some insight and ...   multiple warning lights 2013 GMC Terrain 130,000 miles 4 cylinde...   03 alero no low speed blower Good day everyone, I have a 2003 Olds a...   04 Chevy 2500hd tail light issues Help!!! I have changed my combo switch...   1999 Grand Caravan Sport not starting. Hi. I'm new here. I hope someone can hel...

95 chevy tach randomly jumping Sign up here! Search this forum this category all forums for All words Any words Whole Phrase (search options) Auto Repair Home>> Automotive Repair>> Car Troubleshooting terrys70s Anonymous Poster terrys70@live.com May 27, 2009, 5:04 PM Post #1 of 5 (3951 views) 95 chevy tach randomly jumping Sign In my 95 chevy silverado has 160000 miles and is a 5.7 liter. the tach has been jumping around on me after ive been driving a while lasting less than a minute. and is becoming more frequent. do you have any suggestions? thanks Loren Champlain Sr Veteran / Moderator May 27, 2009, 5:31 PM Post #2 of 5 (3947 views) Re: 95 chevy tach randomly jumping Sign In terry; Long shot, but could be from RFI. (secondary ignition resistance)? Loren SW Washington terrys70s Anonymous Poster terrys70@live.com May 27, 2009, 5:38 PM Post #3 of 5 (3946 views) Re: 95 chevy tach randomly jumping Sign In whats rfi? Loren Champlain Sr Veteran / Moderator May 27, 2009, 5:47 PM Post #4 of 5 (3942 views) Re: 95 chevy tach randomly jumping Sign In RFI=Radio Frequency Interference. The tachometer is electronically controlled. It gets it's signal, indirectly, from the distributor. Too much resistance in the cap/rotor/wires ect. can cause it. Loren SW Washington terrys70s Anonymous Poster terrys70@live.com May 27, 2009, 5:56 PM Post #5 of 5 (3940 views) Re: 95 chevy tach randomly jumping Sign In ok thanks i did look at and clean my dist. and rotor, but havent taken it for a test run yet. i had thought it might be the icm? or a hairline crack in the dist.? it being random has got me guessing. Ill get new wires when i get the chance   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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