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My 2003 ford expedition shakes when I start it. But it goes away after driving it a few miles . What can it be... check engine light is ob and it also blinks

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  • Ford Master
  • 1,258 Answers

Misfire condition. The check engine light is blinking to tell you it detects multiple misfires. Go to your favorite local auto parts store and ask them to scan your auto for check engine codes. If nothing is seriously wrong, you may get away with just changing the oil, oil filter, air filter, fuel filter, spark plugs and adding some injector cleaner to the fuel tank. If you have other problems, the engine computer will have codes stored (besides misfire code) that will lead you in the right direction to diagnose them.

Posted on Mar 03, 2015

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Get your codes first ,all you need is a cheap code reader.

Posted on Mar 03, 2015

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  • Contributor
  • 8 Answers

It may be your emissions system, probably the EGR valve. You need to take it to a mechanic shop for a diagnostic unless you are familiar with it or have the tool to extract the codes en are familiar with the language for this particular system.

Posted on Mar 03, 2015

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Posted on Jan 02, 2017

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SOURCE: 2003 Nissan Altima 2.5S, Check Engine Light Problem.

this problem could be caused by the mass air flow censor, i had the same problem with my car. it is really pricey at the dealer so you might want to check elsewhere for this part. I found one at a scrap yard for 85% less that the dealer and i also got life time warranty, the dealer does not offer any warranty on this part.

Posted on Oct 22, 2008

  • 1 Answer

SOURCE: 1998 ford expedition blinking overdrive light

This blinking light indicates a problem. You will have to have it scanned for trouble codes to find out
what it is.

Posted on Mar 29, 2009

  • 1 Answer

SOURCE: Car Shakes When Driving

I had the shaking problem too, had the #5 coil replaced and the shaking instantly stopped.

Posted on Apr 22, 2009

  • 1 Answer

SOURCE: 2001 ford expedition

the same thing happen to mine twice,and both times it was the coils ,You have 8 total ,one over each spark plug.I replaced them and no more problems.Check with the auto parts so they can tell you which one is bad,hope this helps...

Posted on May 26, 2009

moparownr
  • 667 Answers

SOURCE: P2104

The p2104 code was set because the PCM had to set the idle speed, the p2112 was set to indicate that your throttle body was stuck closed. You can try to remove the throttle body and clean it, check to ensure that it opens smoothly, check the TPS connector to ensure that it is plugged in correctly, reset the light and if the problem returns, you will probably have to install a new throttle body assembly. Hope this helps, let me know

Posted on Dec 08, 2009

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1 Answer

2004 Ford expedition check engine soon light is flashing and car shakes hard when stepping on the accelerator


Your car is misfiring. You should not drive the vehicle while it is misfiring. If you want to DIY it you can start with you ignition system. Make sure all spark plugs, plug wires, and ignition coils are secure and in good condition.

Apr 07, 2013 | 2004 Ford Expedition

1 Answer

Engine died going down the road like it ran out of fuel & wouldn't start


could be crankshaft sensor or fuel filter,check air filter.

Feb 01, 2013 | 2003 Ford Expedition

1 Answer

2003 Ford Expedition Will not engage in drive right away. You put the truck in drive and give it gas it just revs up the engine then after a few seconds will **** into drive. Also is doing this at stop...


It sounds like you need transmission fluid and filter change. This is one of the most overlooked maintenance items. It should be changed every 50k (30k if you tow a trailer) The delay in engaging gear is sign that trans fluid is tired or REALLY cold. In cold weather this is a normal symptom on cold morning starts but goes away when warm. I'd get it changed and soon, before it turns into a $$$ repair.

Jan 05, 2011 | 2004 Ford Expedition

1 Answer

2003 ford expedition... shaking when driving and during stop. check engine soon light keeps flashing. recently had spark plugs changed.


will try to help.the shaking during braking may be a warped brake rotor,shaking while driving is in the wheel alignment. you have several issues to deal with.as far as the engine light flashing,check all your fluid levels in the engine. oil,low coolant, brake fluid,transmission fluid. top off fluids as needed. you can reset that engine light by disconnecting the positive cable from the battery for 10mins.this will reset the cars computer. but if you have a sensor or other issues,that light will come back on.the only way to know for sure is to have it code read a garage or dealership will be able to plug it in to get the codes for you.hope this helps and thank you for choosing fixya.com

Nov 29, 2010 | 2003 Ford Expedition

2 Answers

2003 Ford Taurus, 90K, used car, engines shakes, ABS goes on


Are you getting any codes from the Check Engine Light? This sounds like it could have something to do with a sensor. Check your air filter and make sure it's clean. The tach on my 1999 doesn't really work, but it hasn't coincided with other driveability problems. The engine doesn't change in it's RPM's, the tachometer just stops working. Have your charging system checked. The shaking might be coming from bad fuel pump operation, clogged fuel filter, or dirty fuel injectors. Try putting an additive into your gastank to clean the injectors (a bottle of Seafoam is great for this). Try calling your local Autozone and see if they do free trouble code scanning. This might help lead you in a better direction.

Jun 29, 2009 | 2003 Ford Taurus

1 Answer

I have a 2000 ford expedition the problem i have is that in the morning when the truck is started the RPM gage is bouncing around. once i drive the truck and get to a traffic light and have foot on the...


first of all if you have over 60,000 miles the car is asking you for a tuneup but take it to auto zone and they will put it on the tested for free so you know what you are dealing with.

Jan 17, 2009 | 2000 Ford Expedition

1 Answer

My expedtion is shaking when I drive it.


IF YOUR CHECK LIGHT COME ON ITS TELLING U THERE IS A FAULT WITH YOUR ENGINE CHECK CODES AND FIX PROBLEMS FIRST

Dec 17, 2008 | 2003 Ford Expedition

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