Question about 2004 Hyundai Elantra

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How do i find out what is causing such a lack of power when going up hill,its so bad that down shifting is the only way to maintain road speed...?

I have checked spark plug gaps,air filter and vacume hoses and all appears ok. The engine seems to take a little longer than expected to return to idle after you rev the engine out of gear. The only obvious thing left to mention is a hole in the exhaust pipe just before the back box at the rear of the car,could that effect performance to such a high degree...?

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Have you replaced the fuel filter . A clogged fuel filter can cause fuel filter can cause poor power problems . Try to accelerate quickly and see it the engine cuts out as it is running out of gas . If it does change the filter . Hope this corrects the problem

Posted on Dec 14, 2014

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Posted on Jan 02, 2017

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3 Answers

I have a Toyota Corolla 1,6 year 1984. Well maintained, services up to date. Will it be detrimental to engine if I drive steep hills with the car? I have to climb a steep hill to reach work.


No
not if you drive it accordingly
steep hills are best negotiated in low fears with plenty of rpm applied
for example on a steep grade with a manual 1st or 2nd or possibly 3rd and the rpm around 2000 constant will cause it no harm
automatics will go to first automatically so keep the rpm at that mark
engine damage is experienced when the gear selected is too high and the engine is placed under extreme load so down shift to allow the engine to work easily
When going down hill select first and only use the brakes to maintain the 2000 rpm range and allow the engine compression to hold the car speed back
the rule of thumb for experienced drivers is this
you select the same gear to go down that it took to come up

Dec 12, 2017 | Toyota Cars & Trucks

1 Answer

What causes Soltice to rev up and down shift when climbing hill but loose speed


That is the way gears in cars work. When you go up hill, the car needs more gas, so you put your foot down, kick down comes into play and the gearbox chooses one gear lower, for more engine revs and lower speed you get more torque to climb the hill.

Get the car tuned up, you might have failing sensors or ignition problems causing a general loss of power that is needing kick down on hills.

Dec 25, 2016 | Cars & Trucks

1 Answer

The kick down cable on my 93 s10 blazer 4.3 is broken not even connected to throttle body I'm having alot of drivability and starting problems what would lack of this cable cause


the kick down cable is a mechanical connection that down shifts a transmission when the accelerator is wide open and the road speed is too low
as when going up a steep hill you have the throttle wide open and the vehicle needs to change down gears or the engine will stall
so no cable now down shift when required
run the fault codes as I would not think that the cable is the problem

Sep 06, 2015 | Cars & Trucks

1 Answer

Transmission surge at cruise


check the rpm and road speed when this happens . The cruise control will increase to keep RPM constant but as the road speed drops the auto may be shifting down and as the rpm increase it shifts back before the rpm adjusts. You can override a cruise control in this situation by simply pressing down on the accelerator to maintain the power setting and road speed and when the situation is passed and you take your foot of the accelerator the cruise control will return the system to the set position without you needing to do anything

Nov 25, 2013 | Dodge Ram 1500 Cars & Trucks

1 Answer

Lack of power and sputters under a load


I had a similar problem with one of my vans. My problem was a clogged fuel filter. It was a result of water in my gasoline tank.

May 27, 2012 | 1994 Chrysler LHS

1 Answer

While driving along mostly up hills and or pulling my 2002 dodge ram 1500 5 speed tends to loose power. What could be the cause of that?


All vehicles will lose a certain amount of power when going up hill or towing depending on how steep the hill or how heavy the load. Do you shift down when needed.

Jul 16, 2010 | Cars & Trucks

1 Answer

When I engage the cruise control is holds speed but rmp surges periodically around 2-300 rpm.


It could be your transmission trying to find the right gear it will jump around on diffrent road surfaces and going up hills/down hills. It is usaully noticable on cruise because it is at a constant speed and your thinking why would it need to shift. Sometimes it doesnt even really shift the gear its so inbetween it just jumps back really fast.

Apr 06, 2010 | 2001 Jeep Grand Cherokee

1 Answer

Cruise control will not maitain the speed it is set on. going up a hill it gets slower and going down a hill it gets faster


My experience is that cruise control works on level roads, uphill you have to control speed yourself same for downhill. Exception is very powerful cars. Did it maintain speeds before? (uphill + downhill)

Mar 08, 2010 | 1994 Buick Park Avenue

1 Answer

2002 jetta TDI- I try to accelerate up a hill and no power


Count the shifts. It sounds like you are going into overdrive and staying there. Overdrive is too long legged to pull most hills unless you are really flying.. good luck

Jul 12, 2009 | 2002 Volkswagen Jetta TDI

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