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| Intermittent throttle response https://www.smwebhead.com/phpBB3/viewtopic.php?f=11&t=9820 |
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| Author: | Brad Bazzano [ Sat Jul 14, 2012 3:04 pm ] |
| Post subject: | Intermittent throttle response |
I have a 2001 5.7 gsi dp. Problem - After idle, I can only increase RPMs in increments of 1000 until I achieve full throttle. How I achieve full throttle is by starting and stopping and at each start and stop, it increases RPM by approximately 1000. Once I have achieved full throttle, it runs fine until I go back to idle in no wake zones. It sat for 2 1/2 years. The fuel was treated. I flushed fuel, replaced fuel filters twice, have run approximately 5 fuel tanks through the system. It seemed to be getting better and now worse. Any help of suggestions greatly appreciated. |
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| Author: | Diemaker [ Sat Jul 14, 2012 3:51 pm ] |
| Post subject: | Re: Intermittent throttle response |
Sounds like the excelerater pump In the carb had the same problem a few years ago replaced the diaphragm and she was all good |
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| Author: | Brad Bazzano [ Sat Jul 14, 2012 7:40 pm ] |
| Post subject: | Re: Intermittent throttle response |
Thanks for the feedback - found out today that the high pressure fuel pump failing when we put load on it. It dropped down to 5 psi - should be at 30 and is making lots of noise. |
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