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P0303

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Old 10-21-2016, 09:06 PM
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P0303
Hi Guys,
P0303 code popped up.
new spark plugs & fuel filter was replaced but code still shows up.
accelerator doesn't go beyond 20 MP. it jump when it go beyond 20 mp.
can anyone please suggest what else should I check.
I noticed something unusual : as soon as I start my car, radiator fan started to run and it does not stop.


thanks
Last edited by Pnjboyzz; 10-21-2016 at 09:21 PM.
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Old 10-22-2016, 10:44 AM
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Could be a coil...
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Old 10-22-2016, 10:17 PM
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i swapped the coil 3 to coil 4 location but it didnt make any change,
engine kind a shake on idle and on D.
when i shift from P to D, i hear car is humping
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Old 10-22-2016, 11:38 PM
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Bad injector on cylinder 3
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Old 10-23-2016, 10:43 PM
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thanks for prom reply.
can you please tell me the location of injector and step by step instructions to replace them.
thanks
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