WebJul 11, 2011 · Discussion Starter · #9 · Jul 4, 2011. Well,I found the air intake hose in front of the mass airflow sensor loose,but what I think actually fixed it was a thermostat. It threw a "low coolant temp" code or something. I put a new thermostat in and it never had the high idle problem again. '02 Blazer 2dr 2wd 5speed. '82 S10 383ci. WebOct 27, 2009 · A bad brake switch can do this. To determine if it's the converter or not drive it at 45 MPH and when it starts surging press the brake pedal down about 1 or 2 inches. Just enough to turn on the brake light but not hard enough to apply the brakes. This will unlock the converter. IF it quits surging then you have found the problem.
RPM fluctuation when maintaining speed in high gear
WebThe tachometer will fluctuate as much as 400 to 500 rpm's. I have taken it to a mechanic and he worked on the fuel injectors and changed some spark plug wires but this did not address the problem. I first noticed this problem after I had filled up with gasoline from a discount fillling station. I usually use Amoco, Shell or Mobil. SPONSORED LINKS WebSep 11, 2014 · 103K views 8 years ago 2000 Mercury Mystique automatic 4cyl While driving at a constant speed the rpm gauge starts to fluctuate especially between 40-50 mph. The gauge is … metformin diarrhea coffee
While I am driving the Chevy S10, 2003, 4.3 liter, from 40-65mpd, …
WebMar 13, 2013 · 2003 chevy s10 4.3 vortec, while driving the rpms jump while im driving anywhere from 45-65 mph and keeping a steady - Cars & Trucks question ... Around 35 … WebApr 11, 2015 · Chevy Trailblazer 2003 4.2 105,000 miles About 6 months ago I checked my differential fluids out. I had a high rev noise when I start out (like it was in low gear going … WebMEMBER. 2004 CHEVROLET TRAILBLAZER. 6 CYL. 2WD. AUTOMATIC. 77,423 MILES. When you drive for a little bit the RPM will jump up to 2 and then go back down til 1.5 … how to add a payee to rbc online banking