WebNov 2, 2024 · First post here, just bought a Fiero yesterday! It is an '85 GT with manual transmission and V6. Speedo, odometer, and tripometer arent working. The speedo is stuck on 17 mph, never moves. All other gauges in the cluster are working. Radio works, fuse is good. I pulled the VSS to check the gear, which looks fine. Stuck an ohm-meter on it … WebJan 29, 2011 · 85 Fiero speedometer moves upward when initially accelerating, but when the throttle is released it goes back to zero - Answered by a verified Pontiac Mechanic ... Please tell me all the problem as my answers are based on the information you provide. Are you getting a code 24? Ask Your Own Pontiac Question.
Symptoms of a Bad or Failing Speedometer Sensor
http://www.calgaryfieros.com/OSGdocs/speedo.html WebTroubleshooting the Fiero speedometer system by Oliver Scholz. General Information The Fiero speedo is fed by the VSS sensor, which is mounted on the transaxle. This sensor produces an output whenever the rear wheels turn, no matter in which direction (so … The circuit simply consists of a crystal oscillator and divider (74HCT4060) … getting things done stress free productivity
1986 Pontiac Fiero Instrument Panel: Electrical Problem 1986 ... - 2CarPros
WebIf the speedometer does work and you have a Scantool, check if the Scantool displays the proper speed. If it does, you can be certain that the speedometer speed output works. Our final focus will be the vacuum servo. Make sure that there is vacuum present at the servo. If not you have a vacuum leak somewhere. WebMay 6, 2024 · Speedometer stuck at 60 mph 1986 pontiac fiero. Clicking this will make more experts see the question and we will remind you when it gets answered. Checked … WebThe ‘84 Fiero speedometer is different from later years in that the cruise control operation is controlled inside the speedometer ... A detailed description of this repair is available on the web. Another common Fiero tach problem is the tach filter. When this fails the tach reading becomes erratic or quits completely. getting things done tickler file