Injectors replacement problems

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Blue smoke coming out of the exhaust pipe

Kia Rio 2003 15000 miles

Looks like its burning fuel like could be to much oxygen getting through so far i changed coils spark plugs injectors fuel pressure regulator vowel. But still the same problem its my daughters car she going through heaps of fuel

sherz from Australia 8 years ago

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Same issue here

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jarvis from United States 8 years ago

I had similar problem with my 04 rio base 4cyl. Does it run sluggish at times also? Is the smoke immediate, thick constant or have a odor? It could possibly be a clogged catalytic converter like my situation. I would have the exaust checked, try cleaning the mass air flow sensor& plug, pull spark plugs and check the gaps with a gap tool see if the gaps are ALL correct to ur cars requirements(pre gaped plugs are sometimes incorrect) bc if ur not gettin equal and proper fire to all cylinders it could cause it to tun lean or rich & create heavy emissions/smoke. Also check for any sign of moisture, oil, or burnt/fouled if really chared to whitish brown color which ones are better or worse. Etc I hope you have found or find and get it fixed. I wish knew more to help. Good luck.

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sherz from Australia 8 years ago

Thankyou so much foryour reply jarvis
We fixed that problem but we have another problem when its getting hot its missing we have changed coils. We have changed cam senors this is our daughters car its a 2003 sportage make a kia. We have changed oxygen senors. Now the car will go okay for a week then she starts missing again once it is hot. It also comes up with a code 5 which doesnt read fault we are now thinking of changing the e c u

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