1999 Lexus ES 300 "misfires 40 mph" Questions

...40-45 mph and 65-70mph. well a compression test will tell you if the engines internal components are working properly and it is critical you start there when having a problem like this. testing the ...

...accelerating over 40 mph Engine hesitates and almost misses when accelerating over 40 mph. gas mileage has also tanked. Burn ignition coil get the car pass on a scanner im sure you get a misfire ...

...40 mph and the check engine light blinks on and off. No codes except to tell me that cyls 1, 3, 6 misfired. Cleared and reset the computer and ran perfect. Next day, the problem came back. Hello, I ...

40 to 55 mph it shakes I have a 2005 silverado 5.3 around 40 to 55 mph it will sometimes shake and feels like its a misfire but i have replace spark plugs,wire, and battery and it still does it. Check

2006 MURANO 3.5 LOW SPEED MISFIRE 20 MPH TO 40 MPH THEN CLEARS UP AND RUNS OK Check your oil level. You may have to check your spark plugs and clean or replace them.

Starts jerking from 20 then again at 40 mph what could be my problems? This sounds like a misfire. Put the car in DRIVE and firmly hold the brakes down. Give it gas and you should feel the misfire.

...40-50 MPH My 2002 Lincoln LS Sputters at about 40 MPH when accelerating in D5 but if i put it in D4 it will sputter at about 50-60 MPH while accelerating. Then while idling at low speeds the car will ...

misfires at 40 mph, why? you could have a bad coil if the check engine light comes on have it checked at a local parts store like autozone or advance auto they will tell you what cylinder is misfiring

...40 MPH under ligh acceleration Started with Car stumble @ 30-40 MPD and the following codes: P0431 Cat eff on Bank 2 P0421 Cat Eff on Bank 1 P0302 Misfire Cylinder #2 Inspection found oil was in the ...

...40- 50 mph. then has same feeling of the misfire or low power. then once it reaches over 50 mph it is fine. what is my problem? it has a v8 around 40 to 45 mph at 1800 rpm. The code was a missfire on ...