Question about 2004 Mazda 6

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When i get up to 45 mph, and stay constant, the engine will jump or **** like a hesitation.

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D23fg

Posted on Nov 12, 2010

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6ya6ya
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Posted on Jan 02, 2017

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This engine has a surge; AT 35-45mph,it's a bit more prounounced, not as bad, but still there at 60mph. As the tach goes up some, then down, so does the motor, up then back down, etc.Any ideas?


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Feb 09, 2016 | Cars & Trucks

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I have a 2008 chevy equinox to which I actuall love...but recently av been having issues with hesitation at about 40 mph and 60 mph...once I take my foot off accelerator and then reapply foot to...


I wouldn't think the PCM/ECM is the problem , hesitation at about 40 mph and 60 mph.. Something in the ignition system is breaking down causing a misfire or maybe TPS - throttle position sensor , these wouldn't cost to much. The dealer should be able to find the problem . An usually lights Flickering could be loose connection , high resistance in the circuit. Fixing Strange Auto Electrical Problems

Apr 17, 2017 | Chevrolet Equinox Cars & Trucks

1 Answer

Engine missing mainly between 45 and 55 mph


I'm going to assume you have the 3.4 V6 engine which uses direct ignition with a coil on each plug.
Could be ignition or fuel related.
A weak spark/coil will allow the engine to run on all 6 cylinders at idle but miss under load, especially when going into overdrive at 45 mph. Not enough spark to jump the gap.
Same thing with low fuel pressure or dirty injectors. Not enough fuel when the engine is working hard.
Usually when you get a hard miss you will get a trouble code for the cylinder that is not giving power.
Have you changed the fuel filter in the past 12 months ?

Jan 22, 2013 | 1997 Toyota 4Runner

1 Answer

Car stutters and hesitates at about 45 MPH


Sounds like you have a problem with the fuel injectors - what car is it?

Jun 15, 2012 | 2004 Mazda 6

1 Answer

I'm experiencing a hesitation or jumping during acceleration between 35 and 45 mph on my 2004 outlander it has 129000 miles I've ruled out transmission problems and no codes or warning lights are given...


I am having the same problem but it only happens to me when the car engine is cold. This does not happen when the car has been on for a while. My solution is that I warm up the car for about 20 minutes before driving and my car works fine.

Added to my problem, when I press the gas, it asks like it's choking and I have to press through it, flooring the gas, to which it accelerates too much. It's ok when no in traffic. Also, when I stop the car idles really low and acts like it wants to shut off.

Oct 01, 2010 | 2004 Mitsubishi Outlander

1 Answer

Hi, i have a 2002 alero that is having engine hesitation ever since i got my ac fixed last week. was only slightly hesitant at first, but now it will barely go over 40-45 mph.thanks!


AIR CONDITIONER PUT LOAD ON ENGINE.IN ORDER FOR ENGINE TO CARRY AC LOAD YOUR ENGINE HAS TO BE TOP KNOTCH SHAPE.SPARK PLUGS + WIRES HAS TO BE GOOD.FUEL FILTER AND AIR FILTER HAS TO BE GOOD SHAPE.INJECTORS BEEN CLEANED.SEE YOUR ENGINE HAS TO HAVE FULL POWER TO CARRY AC LOAD.IF ENGINE POORLY TUNED THE AC WILL PULL DOWN ENGINE POWER THATS WHY YOU GET HESITATION.

Jul 31, 2010 | 1999 Oldsmobile Alero

1 Answer

THE CHECK ENGINE LIGHT STAYS ON AND THE CAR SURGES


Check your throtle position sensor. You need to check the code when the light is on.

Oct 20, 2009 | 1995 Ford Crown Victoria

2 Answers

Transmission problem


car out of cruise control flutters or runs rough from 45 mph to 55 mph and once over 55 mph runs smooth. I notice from 45 to 55 the rpm guage moves with flutter or rough running engine. when i put in cruise control it smooths out.

Sep 12, 2008 | 2000 Chevrolet Blazer

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