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Codes P0401, P1289,P1450 after just having fuel pump and fuel filter changed

I just had a new fuel pump and filter put on my van. same day check engine light came on. next day horn quit working, yesterday the AC started blowing hot air only, fans wont shut off and tempature gauge wont work. Does any one have any ideas what to do. I got the above codes from O'Reiley's but service departments are all full till next week. Getting ready to take it on a 700 mile trip and don't want to break down along the way. Can anyone help????

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  • Cars & Trucks Master
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What vechicle type.best rent vechicle if you taking long trip if vechicle has whole lot of miles on it.reason i say rent vechicle if cost whole lot fix vechicle cheaper rent vechicle but it depends on how long you going to be away.tell me your vechicle type model and year.

Posted on Jul 29, 2013

Testimonial: "Sorry. It is a 2005 Ford Freestar. My husband just found that one of the sensor wires,by the transmission that was replaced 6 months ago and Torche converter a month ago, has a wire that came disconnected. Can't think it happened when they changed them,lol, but he is replacing it now and hopefully it will fix the AC, fans and temp gauge. "

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  • Cars & Trucks Master
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Need the make, model and year.

Posted on Jul 29, 2013

6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

emissionwiz
  • 75235 Answers

SOURCE: P0401. P0133, P1131- emmision test

Based on what the tech manuals say I would change the DPFE sensor for the EGR Valve, careful not to tear the special silicone rubber hoses that go to it from the exhaust, as a Ford dealer tech I saw these codes allot, and the DPFE sensor was almost always the issue or the hoses going to it.

Posted on Oct 16, 2008

  • 1596 Answers

SOURCE: fuel pump problem 1991 s-10 2.8

Sounds like the Vehicle is POSESTED LoL ,
I would Hardwire a Key on wire around the origanal wires. Fuel Pump IS NOT going to set a Trouble Code at all ever, as it is an electrical component like headlights, as for the missfiring & guage reading above full I see nothing in commen with the 2 as long as the Supply and return hoses are
not swaped witch they cant be because it wouldnt run (thinking on keyboard) LoL-- Also check Fuel presure regulator. Hope this Helps you.

Posted on Jan 09, 2009

  • 6 Answers

SOURCE: 2000 Chevy Astro Van while driving just stops running

Hey I had my rotor and all that stuff replaced on my 2000 astro van, Intermittently it would not run, The problem was I hit a puddle one day and water flew up on top of the roter like 3 drops, it created a trace( it was arching) Thats why it was intermittent.Take a look at the cap look for like a discoloration on it clean it and put it back on.Sounds too easy but remember I had all new parts too.

Posted on Apr 23, 2009

hotrodshop
  • 106 Answers

SOURCE: Engine error code P03000

P0300 is a general code for "multiple engine missfires". This can be caused by several things. Since it is stalling and "dieseling" (noisy engine) after you come to a stop it sounds like the ignition system is shutting down for some reason. (dieseling requires fuel but not spark) Have shop check for cam and crank sensers, coil pack, and PCM. If he gets a P0000 code ever it will need a PCM and reprogram. It can be a bunchof other items as well but this is the most likely path I would take.

Posted on Jun 05, 2009

greg_margo
  • 1959 Answers

SOURCE: Similar Problem: Van bogs down when you step on the gas

2 simple causes for your symptoms would be water in the fuel tank (pour drygas into the tank to alleviate this problem) or a leak in the exhaust system. If both items don't apply, check for any vacuum leaks under the hood. You've isolated the problem to either vacuum leaks or a fuel problem. Hopefully, this will give you a general area to look and solve your problem. Best of luck.
Greg

Posted on Jun 22, 2009

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Forget the injectors. They worked before the new pump,why go there.
The new pump maybe defective,it happens, I suppose.
Your only problem, may have just been the fuel pressure regulator ,and not the pump at all.
I hope you mean, you changed the replaceable fuel filter, not just the sock on the fuel pump in the tank. If the filter is really dirty, it would stop the flow of fuel, and give you less than 40 to 70# psi,but 18#.

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