Question about 2002 Kia Rio

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2001 Kia Rio

Won't pass inspection, paper says it has a vacuum leak. Where can that be? Would it be a hose I can change? I can't afford to take it to a garage, I want to try to fix it, but don't know how to tell where it is.

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  • Candy Poulin McGee
    Candy Poulin McGee Sep 01, 2008

    Checked all the hoses and there doesn't seem to be a leak there.



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A vacum leak... this is when the engine has an area that is taking air into, like a crak on th e intake manifold or a missing pcv valve. Usally there is a diagram under the hood that will identify the vaccum hoses on the intake body and where they are located.

Posted on Aug 29, 2008


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1 Answer

My vehicle shakes when in idle and the engine speeds up even when your not giving it any gas.

Sounds like there is a leak in a vacuum hose, or manifold is leaking. God-Bless!

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Random misfires could be gas related- low fuel pressure, vacuum leaks or air leaks upsetting the air/fuel mixture ratio, clogged air filter or fuel filter. Could be ignition related- worn spark plugs, possibly. Or could be an internal mechanical problem-possible valve train malfunction.
Start with a fuel pressure test. check vacuum hoses for leaks, check intake manifold and throttle body assembly for leaks. If you have an exhaust leak at or near the engine, can cause misfires. Air going into the engine is metered by the mass air flow sensor in the big air boot on the throttle body. If extra air gets into the engine through a vacuum leak or a loose hose, the engine computer won't know it, so the air/fuel mixture will be too lean, resulting in misfiring. Several things to check-good luck.

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1 Answer

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it takes vacuum off the motor and changes the air/fuel ratio when you step on the brkes..look for vacuum leaks in the system and raise the idle about 200 rpm see if it helps..

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1 Answer

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Check for vacuum leaks. Also make sure that the EGR system is not stuck.

Jun 02, 2012 | 2001 Kia Rio

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Check the fuses and the relay found in the fuse/relay box under the hood. Other than that inspect the wiring.

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1 Answer

2001 kia rio wont maintain idle. 80k. cleaned mass air, and iac as well, any ideas?

you may have a simple vacum leak. follow all the vacum hoses and look for dry rotted hoses or hoses with holes in them. like the one that goes to the mass air sensor would be a good place to start. if you find bad hoses than replace them.

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2006 kia rio check engine light on and code P0455

A code p0455 most likely means one or more of the following has happened:
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  • Other leak or damaged piece in EVAP system

With a p0455, the most common repair is to:
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  • Inspect the EVAP system for cuts/holes in tubes/hoses (you may hear a vacuum2.gif

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1 Answer

2001 Kia Rio Cooling is leaking from hose near to the radiator cap.

The small[pencil size] hose connected just below the radiator cap & to the plastic coolant reservior is the coolant over-flow hose,allowing the coolant to flow into the tank as it expands from being heated,and return to the system as it cools.If the leak is near the radiator fitting,possibly damaged portion can be cut off while engine is cool,and hose re-fitted.Replacement tubing is available at auto parts supply stores,identifiyed by it's inside diameter measurement.

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1 Answer

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possible vacuum leak.check all hoses around throttle body and intake

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1 Answer

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Fallow the "UPPER" Radiator Hose from the Radiator to the Engine Cylinder Head, The Thermostat Housing is the Unit that the UPPER Radiator Hose Connects to. Theres is 1 BOLT (TOP) & 1 NUT (BOTTOM) that you Remove to Gain Access to the Thermostat itself. Hoping this Helps you out There . Have A Great Day.

Jan 21, 2009 | 2001 Kia Rio

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