Question about Kia Rio

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Engine runs but when i give it gas it does not accelerate only idles

When starting the car the engine struggles like its not getting gas but idles shakily. Giving the car gas in drive results in little to no acceleration and a whole lot of noise

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  • Tom Bales
    Tom Bales Apr 12, 2014

    The car is an automatic and the struggling is Always.

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  • Master
  • 514 Answers

I have had this happen twice. First time was a clogged air cleaner, not the filter, but down in the tube below the cleaner. Mice got into it. Clean it out. Te other time was a collapsed muffler. This was an internal collapse and could not be seen. Both issues had to do with air flow, 1 into the engine, the other the exhaust out. The engine ran, but made a lot of noise. Hope this helps.

Posted on Apr 12, 2014

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

nrosenberry
  • 4 Answers

SOURCE: hesitates on acceleration

Does the car always hesitate during acceleration? If it ALWAYS struggles when it starts or ALWAYS hesitates on acceleration then I would say the issue is fuel delivery. If the problems are more intermittent and come-and-go then it could be an electrical issue.

I would start by changing the fuel filter. Changing plugs, wires, cap, and rotor are all good things to do as your budget will allow. I doubt you will have to change your injectors.

If you end up replacing any rubber fuel line, be sure to use the high-pressure stuff made for use on fuel injected cars.

I hope this helps! -Nick

Posted on Apr 10, 2009

pippall
  • 1486 Answers

SOURCE: Pontiac G6 2005 - starts then stalls immediately

Chage the throtle possition senser.

Posted on Jul 03, 2009

  • 17 Answers

SOURCE: Struggling to Accelerate immediately after starting engine

Definitely not the fuel pump. A fuel pump will either work, or it wont. It could be a fuel filter, though unlikely, again if it was clogged there would be nothing. Could be spark plugs/wires, a faulty coil pack, Could also be a handful of sensors (o2, MAF, are a few that come to mind). Does it have a manual transmission? If so can the car be started without engaging the clutch (in neutral)? If so check the 2 clutch sensors attached to the clutch pedal.

Probably a sensor. Go to Advanced Auto parts and have them pull the code. Then google it. Or check out Forums.vwvortex.com

Posted on Jul 07, 2009

Mr BrokRench
  • 1623 Answers

SOURCE: engine revs but car doesn't accelerate

Since you did not say what type of transmission you have i will suspect the clutch is slipping if it's a manual.
If it's an automatic, it could be several things. Low fluid level...clogged filter, fluid needs to be changed..transmission serviced...weak pump, bands/clutch packs worn...etc
Good luck..i hope this helps, please rate me a fixya.

Posted on Jul 29, 2009

  • 34 Answers

SOURCE: The car won't stay on without giving it gas

Jeep Cherokee Limited Crank, No Start
Q. Hi! The Jeep has periods when it will not start for a couple days (cranks fine but won't fire), then it will mysteriously start again. A friend suggested that it may be the CPS - I checked it has 200 oM - when I'm cranking by hand it's little bit changing - it should be OK. But again, wouldn't this also effect the engine during those times that it was running?
mechanic.jpg This problem occurs during rainy and sunny weather so I don't think it's a moisture or water intrusion problem. Is there any part of the ignition system that only affects starting that could be causing this problem?

  • 1989 Jeep Cherokee Limited
  • 4.0 liter
  • Automatic transmission
  • 170,000 miles
I found some forum where some guy had the same:
"I am having the same or similar problem with my wifes 1990 Cherokee. I have found a place that tests the ICM. It may take a while to find a place in your area. I suggest you go in person and talk to the people in your better parts stores.
I have been unsuccessful so far in finding the fault. My ICM has been tested twice and passed both times. I have power to the ICM and the coil checks within parameters. This has been a very frustrating problem for me. I'm about ready to drive it off a cliff and call it a day. Good luck."

So my question is; what is the reason of that? Thanks for help...
Pawel
A. This was a widespread problem for Chrysler and they issued a couple of TSBs to address the problem. The first was:
Models:
1989 MJ & XJ Bodies
Subject:
4.0L No-Start, Hard Restart, or Engine Die-Out. Vehicles Equipped With Automatic Transmission Only.
Index:
DRIVEABILITY
Date: December 29, 1989 No.: 18-57-89 (C18-23-9) P-14 Body Code Legend:
MJ - COMANCHE (RWD, 4WD) XJ - CHEROKEE/WAGONEER (RWD, 4WD)
SYMPTOM/CONDITION:
Some 1989 vehicles equipped with the 4.0L engine and automatic transmission may experience an engine no-start, hard restart, or an engine die-out. This condition may be caused by low signal strength from the crank position sensor due to a larger than desired distance to the flywheel sensing ring.
DIAGNOSIS:
42257289.gif Check to see if the vehicle has a slotted crank position sensor:
  1. If the vehicle is equipped with a slotted crank position sensor (see Figure 1), check to see if the CPS grommet on the top of the transmission bell housing has been updated (see Figure 2). If the CPS grommet has not been updated, replace the CPS grommet per the Repair Procedure outlined below.
If the vehicle has a slotted crank position sensor and new CPS grommet, do not install a new sensor, but reinstall the slotted sensor that was on the vehicle and verify that it is good using procedures in the 1989 Jeep Service Manual 81-370-9045 on page 14-87.
  1. If the vehicle does not have a slotted crank position sensor already installed, then proceed with the Repair Procedure.
PARTS REQUIRED:
1 Crank Position Sensor (slotted) P/N 83100067 1 Crank Position Sensor Grommet P/N 83100068 REPAIR PROCEDURE:
  1. Turn the ignition switch to the "OFF" position.
  2. Disconnect the Crank Position Sensor (CPS) from the engine harness.
  3. Raise the vehicle using a lift.
  4. Remove the old CPS and grommet.
  5. Install the new CPS grommet.
NOTE: THE NEW CPS GROMMET MUST BE REPLACED SO THAT THE MAXIMUM SIGNAL OUTPUT CAN BE OBTAINED FROM THE NEW CRANK POSITION SENSOR.
  1. Install the new Crank Position Sensor and loosely attach the retaining bolts.
  2. Firmly press down on the slotted hole side of the CPS until it bottoms on the machined lip of the bellhousing. While holding the CPS down against the bellhousing, tighten the bolt on the slotted side of the CPS to 16 ft.lbs.
  3. Tighten the remaining attaching bolt to 16 ft.lbs.
NOTE: MAKE CERTAIN THAT THE CRANK POSITION SENSOR IS COMPLETELY BOTTOMED ON THE MACHINED LIP OF THE BELLHOUSING AND IS AS CLOSE AS POSSIBLE TO THE FLYWHEEL SENSING RING WITHOUT CONTACTING IT.
  1. Secure the lead of the CPS to the retaining clip on the bellhousing to prevent its contact with the exhaust manifold.
  2. Lower the vehicle.
  3. Connect the CPS to the engine harness.
If this repair has been made, or hasn't fixed the problem, the other TSB is 18-54-89 REVISION A recommending cleaning of the throttle body assembly, DIY: Cleaning Throttle Bodies, and replacement of the PCM.
PARTS REQUIRED:
1 ECU (Automatic Transmission) P/N 53007842 1 ECU (Manual Transmission) P/N 53007843 1 Mopar Choke and Linkage Cleaner P/N 4549619

Posted on Dec 03, 2009

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1 Answer

Wont start


If you can keep giving it gas and it runs above idle with no problem, then you have a blocked or bad idle control valve on the throttle body assembly. With your foot off the gas pedal, the large throttle plate inside the throttle assembly is closed, but some air is let in through the idle control valve or motor through a separate passage. This can get clogged with deposits over time and poor idle results. The valve is controlled by the engine computer. It is how the computer controls idle speed- more air if the idle control valve is opened wider, higher idle speed.

"...like its not getting any gas..." Oh yeah, it's getting gas, the injectors are still pumping gas into the cylinders, but it may not be getting any air. All the accelerator pedal does is control the air supply into the engine through the throttle body. So modern cars have an air pedal, not a gas pedal. Then the computer takes over and matches the correct amount of gas through the injectors to the known supply of air in the intake manifold. Neat system, eh? Sorry if I sound so pedantic, dale. check your idle control valve.

Apr 20, 2014 | 1997 Mitsubishi Galant

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98 accord idles rough, give it gas it dies


fuel pump, filter and ejectors maybe bad need to check those three

Apr 19, 2014 | Honda Accord Cars & Trucks

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Stalls after start up, Stalls when braking, then runs fine after a few minutes


Check the ECU engine temperature sensor. If it thinks the engine is hot, it will struggle to run when cold.

Mar 06, 2014 | Volkswagen Beetle Cars & Trucks

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What causes car to stall when u give gas real fast but runs fine when u idle it up slow and hold it at 2000rpms and then takes awhile to start sometimes??


when you accelerate real fast you are getting the CPU to allow large amounts of fuel into the chambers to be burnt. Un fortunately if everything else is not prepared for this surge of fuel it puts the fire out as combustion requires a ratio of 14.1 to combust properly. When you accelerate slowly the faulty sensors struggle to keep the ratio right. So run the fault codes and check which sensors are failing .

Jan 11, 2014 | Cars & Trucks

1 Answer

Will not run if it starts as soon as you let of the gas it dyes may start and may not


To understand the problem with your car, you must first understand that when you are pressing down on the accelerator pedal with your foot, you are NOT "stepping on the GAS". You are actually stepping on the AIR. If you are having to open the accelerator in order to get the engine started, it is because the engine is not getting enough air to start on it's own. When you let up on the accelerator, you are shutting off the air.
It is the job of the Idle Air Control (IAC) solenoid (or motor) to allow enough air into the engine so the engine can idle when the accelerator is closed.

You MOST LIKELY have a bad IAC.

Aug 14, 2011 | 1991 Buick Regal

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The engine has a tendency to run rough and will not accelerate smoothly. Feathering the gas pedal helps alleviate the problem a bit. When the A/C is running the problem is more noticeable.


Sounds like an idle air control valve (IAC) issue. It most likely needs a clean along with the throttle body interior. When you start up does the car struggle and almost stall when you engage the power steering or put the car into 'drive'.. If so then it is your IAC.

Oct 11, 2010 | 2004 Mazda MPV

1 Answer

In park the engine dies; only will run if given gas


It sounds like there is a problem with the Idle Air Control (IAC) valve. Its job is to open and let air into the manifold when the throttle is closed at idle. If it does not open, the engine dies at idle. The IAC is mounted on the throttle body. Possibly the valve is clogged or stuck, in which case it could be ok again if it is removed and cleaned. Or it is broken, and needs to be replaced. Or, there is a problem with its electrical connection, that needs to be traced. Good luck, let me know if you have any questions.

Mar 30, 2010 | 1993 Chevrolet Lumina

1 Answer

Idle Problem After Refueling


Sounds like the valve in the gas cap has failed, try replacing the gas cap with the correct one listed for your vechicle

May 04, 2009 | 2001 Toyota Celica

1 Answer

Hesitates on acceleration


Does the car always hesitate during acceleration? If it ALWAYS struggles when it starts or ALWAYS hesitates on acceleration then I would say the issue is fuel delivery. If the problems are more intermittent and come-and-go then it could be an electrical issue.

I would start by changing the fuel filter. Changing plugs, wires, cap, and rotor are all good things to do as your budget will allow. I doubt you will have to change your injectors.

If you end up replacing any rubber fuel line, be sure to use the high-pressure stuff made for use on fuel injected cars.

I hope this helps! -Nick

Apr 10, 2009 | 1983 Chevrolet Chevy

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