Question about 1989 Ford F 350

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Diesel troubleshooting It will not accelerate as soon as you press the pedal. You have to press it a little and wait for it to rev up.

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You might want to check the fuel filter

Posted on Apr 17, 2014


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Why my dodge diesel 2008 revs up

The smart alec answer would be that you have your foot on the accelerator pedal - but seriously - we need a little more info. When does it do this? Idling, driving, cold, hot? There are a few reasons that they do this but we need a little more info to answer the question correctly.

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Ford truck 1989 f350 7.3 liter diesel will not accelerate as soon as you press the pedal. You have to give it a little and wait for it to rev up.

Hi 'm Peter, First of al have you tried tis with out the air filter in. Check to see if your air filter is dirty also you ma want to check the fuel filter , when was the last time were they changed? Both could be an indication of starvation of fuel or air. When you accelerate and you get to a point where the turbo can force enough air through then you pick up a little speed however you can also damage your turbo by sucking in the seals . The fuel problem could be it takes some time for enough fuel to get through the filter to speed the engine up. Once it picks up speed and you try to punch the throttle like you are going to pass someone does it bog down in a bit? If so you used up the reserve fuel in the line and now the pump has to play catch up The fuel filter is located in the center of the engine in a round housing so get your climbing gear on unless you have really long legs you will have to stand on something or get up in there reach it all. the top comes off the housing and the filter lifts straight out. It is possible you have a fuel line sucking air but unlikely like I said lets start with the simple stuff first Air filter then fuel filter. Then we can go from there hopefully you don't have a turbo gone bad or a stuck waste gate. Let me know what you find.

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Volvo v40 will not rev and hesitates when pulling away

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Press gas pedal

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2004 kia sorento 2.5 diesel automatic started this morning engine raced into red line I had no control accelerator pedal made no difference. switched off key. Tried again same thing. Eventually put it into...

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Nissan Installed throttle reprogram

Here is the way to do it without the nissan scan tool. Make sure to follow all steps and it it best if you use a watch with a second hand.
1. Perform "Accelerator Pedal Released Position Learning".
a. Make sure that accelerator pedal is fully released.
b. Turn ignition switch 'ON' and wait at least 2 seconds.
c. Turn ignition switch 'OFF' wait at least 10 seconds.
d. Turn ignition switch 'ON' and wait at least 2 seconds.
e. Turn ignition switch 'OFF' wait at least 10 seconds.
2. Perform "Throttle Valve Closed Position Learning" .
a. Make sure that accelerator pedal is fully released.
b. Turn ignition switch 'ON'.
c. Turn ignition switch 'OFF' wait at least 10 seconds.
Make sure that throttle valve moves during above 10 seconds by confirming the operating sound. 3. Start engine and warm it up to normal operating temperature.
4. Check that all items listed under the topic 'PREPARATION' (previously mentioned) are in good order.
5. Turn ignition switch 'OFF' and wait at least 10 seconds.
6. Confirm that accelerator pedal is fully released, turn ignition switch 'ON' and wait 3 seconds.
7. Repeat the following procedure quickly five times within 5 seconds.
a. Fully depress the accelerator pedal.
b. Fully release the accelerator pedal. 8. Wait 7 seconds, fully depress the accelerator pedal and keep it for approx. 20 seconds until the MIL stops blinking and turned ON.
9. Fully release the accelerator pedal within 3 seconds after the MIL goes off.
10. Start engine and let it idle.
11. Wait 20 seconds.
12. Rev up the engine two or three times and make sure that idle speed and ignition timing are within the specifications.
13. If idle speed and ignition timing are not within the specification, the result will be incomplete. In this case, more test needs to be done.

Jun 24, 2009 | 2004 Nissan Sentra

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