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Hesitant anf restricted performance sometimes

 
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Old 08-20-2018, 07:36 PM
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Default Hesitant anf restricted performance sometimes

I recently bought a 2003 jaguar s type r and its pretty hessitant when i hit the gas at first i thought it was cause it had been sitting for awhile so i ran a few tanks through it and its still there i ran codes and when it does the restrictive performance i get a cylinder 3 misfire but when im just regular driving cylinder 3 missfire nor the engine light comes on but all this happens when i get over 50mph please someone help thanks
 
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Old 08-20-2018, 07:37 PM
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Originally Posted by Heath Mccullough View Post
I recently bought a 2003 jaguar s type r and its pretty hessitant when i hit the gas at first i thought it was cause it had been sitting for awhile so i ran a few tanks through it and its still there i ran codes and when it does the restrictive performance i get a cylinder 3 misfire but when im just regular driving cylinder 3 missfire nor the engine light comes on but all this happens when i get over 50mph please someone help thanks

 
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Old 08-20-2018, 08:30 PM
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<div style="text-align:left;">
Originally Posted by Heath Mccullough View Post
<img src="https://cimg6.ibsrv.net/gimg/www.jaguarforums.com-vbulletin/1000x2000/screenshot_2018_08_15_14_30_37_89869d8bc8b8ac56a41 140c8c1ab0ba25c00853d.png"/>
both p1316 and p0303 relate to your misfire . your misfire codes will most Likely be a bad spark plug or coil or plug well oil seal . causing a bad spark . This will be killing your cat converters so refrain from driving untill it is fixed. your Evap leak could be a bad fuel cap or a split Evap canister or vacume line . P1000 just means you have cleared the codes and the monitors have not reset . and they likely never will with an Evap leak .
 

Last edited by Datsports; 08-21-2018 at 05:27 AM.
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Old 08-21-2018, 05:21 AM
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I used to be into Ford Lightnings (V8 w/factory supercharger) and what you describe sounds exactly like a bad spark plug. Maybe the ground strap is missing or somehow the gap is to large.
 
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Old 08-21-2018, 07:45 AM
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Welcome to the forum.

From the unsolicited advice department:

It is okay to punctuate. Iím old and cranky. Iíd like to help but itís tough to decipher one very long sentence and/or paragraph. Slow down. Deep breath. Help us so we can help you.

Is your check engine light flashing? With code P1316, it typically does. The flashing light is a special warning to get your attention. It means the catalytic converter may be getting damaged by overheating, an expensive proposition. If the light is flashing, do NOT drive until you get that corrected.

I wouldnt worry about the P0456 right now. Concentrate on the P0303. Thatís typically a bad coil or spark plug. As previously mentioned, if oil collects in the plug well, that can also cause that code.

Keep us posted.
 
 
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