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SVT Shelby GT500
Check engine light
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<blockquote data-quote="Vinnie_B" data-source="post: 17033548" data-attributes="member: 201678"><p>I would recommend finding someone who has access to FORD IDS to find this issue for your cylinder 8 misfire.</p><p></p><p>It can only be 3 things:</p><p></p><p>*Fuel Injector</p><p>*Coil/Bad Spark plug</p><p>*Cylinder Issue (Piston,Valve or cylinder)</p><p></p><p>Tests to run:</p><p></p><p></p><p>Misfire Test to confirm the cylinder</p><p></p><p>[ATTACH]1836453[/ATTACH]</p><p></p><p>Fuel injector Test (Bad injector and/or electrical harness or PCM issue)</p><p></p><p>[ATTACH]1836450[/ATTACH]</p><p></p><p>Cylinder Power Balance Test (How much each cylinder contributes. If the failing cylinder isn't fuel related run COP (Coil on plug) test to check for a faulty coil.</p><p></p><p>[ATTACH]1836451[/ATTACH]</p><p></p><p>Compression Test (If a cylinder fails in this test confirm with a manual gauge compression and leak down test)</p><p></p><p>[ATTACH]1836452[/ATTACH]</p><p></p><p></p><p>I've run these tests frequently for many customers. A qualified auto electrician should be able to have you answers on how and what failed in 5 hours or less.</p></blockquote><p></p>
[QUOTE="Vinnie_B, post: 17033548, member: 201678"] I would recommend finding someone who has access to FORD IDS to find this issue for your cylinder 8 misfire. It can only be 3 things: *Fuel Injector *Coil/Bad Spark plug *Cylinder Issue (Piston,Valve or cylinder) Tests to run: Misfire Test to confirm the cylinder [ATTACH alt="Misfire Monitor Test.jpg"]1836453[/ATTACH] Fuel injector Test (Bad injector and/or electrical harness or PCM issue) [ATTACH alt="Fuel Injector Flow Test.jpg"]1836450[/ATTACH] Cylinder Power Balance Test (How much each cylinder contributes. If the failing cylinder isn't fuel related run COP (Coil on plug) test to check for a faulty coil. [ATTACH alt="Power Balance Test.jpg"]1836451[/ATTACH] Compression Test (If a cylinder fails in this test confirm with a manual gauge compression and leak down test) [ATTACH alt="Relative Compression Test.jpg"]1836452[/ATTACH] I've run these tests frequently for many customers. A qualified auto electrician should be able to have you answers on how and what failed in 5 hours or less. [/QUOTE]
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