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What could cause my car to misfire under load, like climbing a hill ...


A misfire under load complaint can usually be broken down into 2 categories. ... The transmission downshifts and the engine revs up to about three thousand ...

Misfire and troubleshooting the engine - The MGA With An Attitude


Oct 31, 2005 ... It is often said that for an engine to run you need fuel, air, and spark. ... for a smooth idle and to prevent hesitation on acceleration. ... Near zero valve clearance will also cause misfire, as a valve may ... This condition gets worse under high load, higher speed, or climbing a long hill with higher throttle settin...

Diagnose this car problem please [Archive] - Straight Dope Message ...


As I'm accelerating up the hill, it feels like the engine is "missing" or skipping. ... milder accereration -- or does it correspond with foot-to-the-floor acceleration, hill or not? Missing under heavy load -- such as climbing a hill, but also ... While not as likely as the fuel filter, air filter restictions can cause pr...

Mercedes-Benz C-Class Questions - 1: When I press gas pedal, the ...


Apr 5, 2011 ... It seems the car is misfiring the engine is under load, like when you are trying to ... Here are a few things that could cause this kind of drivability ..... losing acceleration only goes up to 20 ,most when climbing towards the hill ...

Chevrolet Blazer has no power and engine bogs down - Edmunds Forums


The engine bogs down when first driving. .... sensor due to the light the slow acceleration, but i still had good gas millage. so i am ... manifold causing an intermittent misfire due to an excessively lean mixture. ... I have a 2001 Blazer, last week as I was climbing a hill I attempted to accelerate and heard a "pop" and my...

Hyundai Tucson Acceleration Problems - Edmunds Forums


No engine lights come on, no overheating, nothing! .... and stutter when I tried to climb hills or increase power, the pump and filter seemed to be the cause.

Why Does My Car Lose Power - 8 steps (with ... - Motor OneHowto


In most cases, a loss of engine power will relate to a mechanical failure in your ... For cars with an ECU (Electronic Control Unit), an error of this type can cause the car to lose power. ... so when you press the acceleration pedal is because your fuel filter is bad. ... I was driving it home, and it lost almost all power going up hil...

5 Common Symptoms of a Malfunctioning Fuel Pump | eBay


Next, we'll detail common symptoms, everything from engine misfires to cars that won't start. ... pedal, a working pump increases the flow of gas or diesel to fuel acceleration. ... Generally, this occurs when climbing a hill or when hauling a load.

Diesel Trouble Shooting - Flashoffroad


Apr 22, 2003 ... Trouble shooting the GM 6.5 diesel engine in Hummers and GM ... 2500 RPM on heavy acceleration or up steep grades while trying to ... Now remember these are Florida hills, not mountains. ... That could be causing the misfires. .... Stalling When Climbing on One Side Diesel Fuel Return line Kinked.

Experts Car Care Tips Wilmington Delaware | auto repair tips ...


Cold temperatures make it harder for an engine to work properly. ... Salt causes rust and gravel pits the paint. ... is hot; A screeching sound when the engine is running; A slow or no starting vehicle; Engine misfire at highway speeds; Hesitant or sluggish acceleration; Engine loses power when climbing hills or pulling trailers.

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Engine Troubleshooting from Greg's Engine & Machine


My vehicle lacks power on hills but is fine on flat roads; Engine shakes while .... During acceleration this misfire gets so extreme it can cause the engine to stall.

5.4L Misfire/Hesitation Issues - F150online Forums


Dec 27, 2010 ... Hey Guys, In trying to diagnose my own misfire or hesitation issues I've been ... Find out what other issues your truck may have to be cause these problems ... but then smooths out until under load (climbing a hill, accelerating, etc). ... These engines generally run real strong when maintenanced properly.

454 P30 Chev Misfires When Hot Under Load - Engines - FMCA ...


Nov 14, 2011 ... This happens ofter when pulling up a rolling hill or accelerating briskly from stop. ... It's also known that old spark plugs & plug wires can cause the problem you ... if you floor it and accelerate hard then the motor will start misfiring and popping. ... You also mentioned the issue also happens when climbing...