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SportTrac Discussion
Engine & Drivetrain
Idle Surge on 2005 4.0L V6 ST
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<blockquote data-quote="Peg Leg" data-source="post: 991661" data-attributes="member: 63561"><p>Hey Eddie </p><p></p><p></p><p></p><p> Won't do it again, and the, water in harnass, is one of the causes for the ECM/PCM/ECU to throw the P2196 and P2198 codes. </p><p></p><p></p><p></p><p>I have the truck in an air conditioned garage, and I raised the hood and put 2 floor fans on it for 2 days, detached all the connecters and blew out with compressed air but, no change, still when I start it up it runs regular for 2 or 3 minutes then starts cycling/surging between 500 and 1500 RPM for about 2 minutes until it sputters and dies. will start back easy with a little pressure on the accelerator, but does the same thing again. </p><p></p><p></p><p></p><p>Looks like the O2 sensers are reporting a rich condition to the PCM and the PCM shuts off gas supply and the fuel rail pressure sensor reports low fuel pressure or vise-versa.</p></blockquote><p></p>
[QUOTE="Peg Leg, post: 991661, member: 63561"] Hey Eddie Won't do it again, and the, water in harnass, is one of the causes for the ECM/PCM/ECU to throw the P2196 and P2198 codes. I have the truck in an air conditioned garage, and I raised the hood and put 2 floor fans on it for 2 days, detached all the connecters and blew out with compressed air but, no change, still when I start it up it runs regular for 2 or 3 minutes then starts cycling/surging between 500 and 1500 RPM for about 2 minutes until it sputters and dies. will start back easy with a little pressure on the accelerator, but does the same thing again. Looks like the O2 sensers are reporting a rich condition to the PCM and the PCM shuts off gas supply and the fuel rail pressure sensor reports low fuel pressure or vise-versa. [/QUOTE]
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SportTrac Discussion
Engine & Drivetrain
Idle Surge on 2005 4.0L V6 ST
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