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Ford Raptor Forums - General Information
Ford Raptor Problems and Questions Forum
Raptor won't stay at 10-15 mph speed after start.
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<blockquote data-quote="SlasherMcGee" data-source="post: 434771" data-attributes="member: 9681"><p><span style="color: Red">Update: I found the following TSB for 5.0 engines. Word on the street is the same issue in the TSB occurs for many different ford vehicles. </span></p><p><span style="color: Red"></span></p><p><span style="color: Red"><a href="http://api.viglink.com/api/click?format=go&key=d07f38b22ba9683897d6fe7173d761a4&loc=http%3A%2F%2Fwww.f150forum.com%2Ff70%2F2012-f150-5-0-crew-4x4-low-speed-surging-176922%2Findex3%2F&v=1&out=http%3A%2F%2Fwww.fordservicecontent.com%2Fpubs%2Fcontent%2F~WT%2F~MUS~LEN%2F3512%2Ftsb13-01-10.pdf&ref=http%3A%2F%2Fwww.f150forum.com%2Ff70%2F2012-f150-5-0-crew-4x4-low-speed-surging-176922%2Findex4%2F&libId=ba6acdbb-2373-4b70-82b1-8f41c945091d&title=2012%20F150%205.0%20crew%204x4%20low%20speed%20surging%20-%20Page%203%20-%20Ford%20F150%20Forum%20-%20Community%20of%20Ford%20Truck%20Fans&txt=http%3A%2F%2Fwww.fordservicecontent.com%2Fpu...sb13-01-10.pdf&jsonp=vglnk_jsonp_13681434915319" target="_blank">http://api.viglink.com/api/click?format=go&key=d07f38b22ba9683897d6fe7173d761a4&loc=http://www.f150forum.com/f70/2012-f150-5-0-crew-4x4-low-speed-surging-176922/index3/&v=1&out=http://www.fordservicecontent.com/pubs/content/~WT/~MUS~LEN/3512/tsb13-01-10.pdf&ref=http://www.f150forum.com/f70/2012-f150-5-0-crew-4x4-low-speed-surging-176922/index4/&libId=ba6acdbb-2373-4b70-82b1-8f41c945091d&title=2012 F150 5.0 crew 4x4 low speed surging - Page 3 - Ford F150 Forum - Community of Ford Truck Fans&txt=http://www.fordservicecontent.com/pu...sb13-01-10.pdf&jsonp=vglnk_jsonp_13681434915319</a></span></p><p><span style="color: Red"></span></p><p><span style="color: Red">I also did a test tonight where I let the pickup run for about 4 minutes before driving and could not reproduce the issue. I forwarded the TSB on to my dealer. Maybe they can find something for the 6.2 engine. I'll update this thread with my findings.</span></p><p><span style="color: Red"></span></p><p><span style="color: Red">This was also fixed on the 5.4:</span></p><p><span style="color: Red"></span></p><p><span style="color: Red"><a href="http://www.fordraptorforum.com/f183/tsb-10-24-1-5-4l-surge-when-cold-13654/" target="_blank">http://www.fordraptorforum.com/f183/tsb-10-24-1-5-4l-surge-when-cold-13654/</a></span></p><p><span style="color: Red"></span></p><p></p><p></p><p></p><p></p><p>I've got a weird issue on my brand new raptor...</p><p></p><p>1. Start engine after it's been sitting for some time...</p><p>2. Accelerate slowly to 10 MPH. Keep gas pedal at this same position throughout the next steps. </p><p>3. You will see the RPM and speed drop within a few seconds. </p><p>4. After a few seconds RPM and speed will spike back to 10 mph, jerking the vehicle forward. It might actually spike to 15-20 mph very rapidly.</p><p>5. The RPM and Speed drop again as if you aren't touching the gas. </p><p>6. RPM/speed will increase again, jerking the vehicle to 15-20 mph</p><p>7. This could continue for some time... 3-4 “Jerks” is possible or more…Sometimes it’s only once..</p><p></p><p>*Issue only seems to occur at very low speeds… 10-15 MPH or less. </p><p>*Issue always occurs in the morning when leaving house. </p><p>*Issue always occurs when leaving work later in the day. </p><p>*Issue does not appear "as bad" when vehicle has been recently driven. </p><p>*After you've accelerated to 20-30 MPH for a bit and then try to reproduce the issue by dropping speed back to 10-15 MPH, issue won't repro.... As in you can hold the gas pedal at a certain value and the pickup will stay at 10 mph with no jerking.</p><p>*I’ve been able to reproduce the problem with the transmission in 1st(bottom position on gear shift).</p></blockquote><p></p>
[QUOTE="SlasherMcGee, post: 434771, member: 9681"] [COLOR="Red"]Update: I found the following TSB for 5.0 engines. Word on the street is the same issue in the TSB occurs for many different ford vehicles. [url]http://api.viglink.com/api/click?format=go&key=d07f38b22ba9683897d6fe7173d761a4&loc=http%3A%2F%2Fwww.f150forum.com%2Ff70%2F2012-f150-5-0-crew-4x4-low-speed-surging-176922%2Findex3%2F&v=1&out=http%3A%2F%2Fwww.fordservicecontent.com%2Fpubs%2Fcontent%2F~WT%2F~MUS~LEN%2F3512%2Ftsb13-01-10.pdf&ref=http%3A%2F%2Fwww.f150forum.com%2Ff70%2F2012-f150-5-0-crew-4x4-low-speed-surging-176922%2Findex4%2F&libId=ba6acdbb-2373-4b70-82b1-8f41c945091d&title=2012%20F150%205.0%20crew%204x4%20low%20speed%20surging%20-%20Page%203%20-%20Ford%20F150%20Forum%20-%20Community%20of%20Ford%20Truck%20Fans&txt=http%3A%2F%2Fwww.fordservicecontent.com%2Fpu...sb13-01-10.pdf&jsonp=vglnk_jsonp_13681434915319[/url] I also did a test tonight where I let the pickup run for about 4 minutes before driving and could not reproduce the issue. I forwarded the TSB on to my dealer. Maybe they can find something for the 6.2 engine. I'll update this thread with my findings. This was also fixed on the 5.4: [url]http://www.fordraptorforum.com/f183/tsb-10-24-1-5-4l-surge-when-cold-13654/[/url] [/COLOR] I've got a weird issue on my brand new raptor... 1. Start engine after it's been sitting for some time... 2. Accelerate slowly to 10 MPH. Keep gas pedal at this same position throughout the next steps. 3. You will see the RPM and speed drop within a few seconds. 4. After a few seconds RPM and speed will spike back to 10 mph, jerking the vehicle forward. It might actually spike to 15-20 mph very rapidly. 5. The RPM and Speed drop again as if you aren't touching the gas. 6. RPM/speed will increase again, jerking the vehicle to 15-20 mph 7. This could continue for some time... 3-4 “Jerks” is possible or more…Sometimes it’s only once.. *Issue only seems to occur at very low speeds… 10-15 MPH or less. *Issue always occurs in the morning when leaving house. *Issue always occurs when leaving work later in the day. *Issue does not appear "as bad" when vehicle has been recently driven. *After you've accelerated to 20-30 MPH for a bit and then try to reproduce the issue by dropping speed back to 10-15 MPH, issue won't repro.... As in you can hold the gas pedal at a certain value and the pickup will stay at 10 mph with no jerking. *I’ve been able to reproduce the problem with the transmission in 1st(bottom position on gear shift). [/QUOTE]
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Ford Raptor Forums - General Information
Ford Raptor Problems and Questions Forum
Raptor won't stay at 10-15 mph speed after start.
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