Question about 1997 Ford F150 Regular Cab

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Idles up and down

Works fine at highway speeds chuggs and misses when sitting at a light engine dies down almost to a stall then picks back up

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Posted on Jan 02, 2017

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SOURCE: 1987 F 150 Problem: engine idle stalling and then surges

I had the same symptoms on my 1993 F-150. A friend of mine commented that he could smell gas in the exhaust. Eventually, it got to where it would start, then die after a few minutes and wouldn't restart after that (at least for several hours). It turned out to be a bad fuel pressure regulator that was causing it to flood. It was about a $25 part and an hour labor to replace (not difficult, just awkward getting to the hex head bolts).

Posted on Feb 14, 2009

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SOURCE: Van idle very shaking like the van is going to stall

Sounds similar to what I had. In my case, the problem was the coil block. Here is how I diagnosed my problem: First I pulled the codes from the car using a code reader: 2 codes were recorded corresponded to two misfires in cylinders. In my case, they were P0302 and P0306 which corresponded to misfires in cylindars 2 & 6. These cylinders have something in common: They use the same coil in the coil block mounted in the rear of the engine. (There are 3 coils in the block and 2 cylinders use one coil each). Everything is enclosed inside with resin. When removed the cowling from over the motor, I could access the coil block easily. (See other posts from me for more details). When the coil block was removed, I found a crack in the resin under the middle coil. Replacing the coil pack fixed my problem. Hope this helps.

Posted on May 03, 2009

  • 1 Answer

SOURCE: engine misses when accelerating DOWN THE RD

coil packs

Posted on May 11, 2009

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SOURCE: My 2002 Ford Taurus will shutter and die when

the idle air control valve is responsible for engine idle.
this is a common failure on ford's. but I don't think yours is bad because it does idle high befor it dies.
you stated you had codes p0171 and p0174 these are lean codes for bank one and two, you said you found a vacuum leak and repaired it, the vacuum leak was mostly likely the cause of the lean codes, however the pcm has calibrated the fueling stategy for this lean mixture, what you need to do is erase the KAM "keep alive memory" this is done by unhooking the negative battery cable for 60 seconds, this is the only way to erase the KAM the $6000.00 machine I use wont even do it.

once the KAM is clean the computer will go into a relearn state and all operating values will be adjusted for the vehicles current condition, during this relearn session the vehicle may have some driveability issues (low or high idle, stalling, poor fuel economy) the relearn should complete within 10 minutes of idling and then 10 minutes of driving.

good luck and keep me updated

wesleyschacht@hotmail.com

Posted on Jun 14, 2009

  • 14585 Answers

SOURCE: The car starts jerking & loses RPMs while

Clogged fuel filters can cause these symtoms. restrict the flow of fuel. this could cause a lean 02 code.

Posted on Feb 08, 2011

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When in drive the engine chugges when at idle ane wants to stall


stalls., are complex , what engine? 1994
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  2. never getting engine tuned up, is the all time #1 reason for all cars.
  3. bad spark for any reasons. (tests)
  4. bad fueling, too much or too little.
  5. ISC idle speed control valve dead or stuck closed, or dirty
  6. EGR main valve stuck open, (no engine stated)
those are the PRIME suspects. on all engines today. 1987 to now.

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simply flooding motor.

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This problem is commonly caused by a dirty automatic idle speed control valve and throttle valve but always run a OBD2 fault code as well as the cleaning procedure. Buy a can of throttle valve cleaner (do not use carburetor spray cleaner!) from NAPA or Carquest (made by CRC chemicals) and spray it into the air intake while the engine is running, use up about 1/2 the can, engine will try to stall hold the speed up, shut it down and let it soak for 30 minutes, restart and blow out the remaining fluid, shut it down and disconnect the negative battery cable for 5 Min's to reset the base idle control

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Our 1995 Dodge caravan starts fine dies.


Do the following

Here are the most common causes of idle surge, stalls at stops, slow idle speed, erratic idle speed, rough idle and engine hesitation (and other problems), it is in most cases the idle speed control air-bypass valve and or throttle valve and upper intake, these area's get full of gunk and combustion residue over the miles and cause idle issues (stalls, low idle) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake

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My 2003 Ford Focus dies when idling after a little road trip.


have the check engine light checked at a parts store its usuall free. I would bet its the idle air control motor. This controls the fuel air mixture at idle

Apr 18, 2012 | 2003 Ford Focus

2 Answers

My jeep keeps stalling on me and the check engine light never comes on, people tell me it may be the fuel pump. i have been told it cant be hooked to compuetr because of the check engine light not com


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Check engine light came on the computer said misfire on number 2 and number 7. I installed new plugs and wires. The check engine light went off but it still seems to be missing and idling rough. When you...


missing at idle and good at highway speeds typically means either leaking injectors, vacuum leak and/or base engine concerns

I'd start with the injectors

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1 Answer

2001 Chrysler Concorde LXI randomly stalling while slowly dow to stop or turn. Will usually crank back. This car will sit and idle for ever, but when you drive it for 10-15 minutes and slow down to stop or...


One suggestion:
Speed sensor failure.

Info:
Some of the classic symptoms, stalling at dead stops. failure to auto lock doors. poor fuel economy. Failure to go to overdrive.


Recommendation:
Go to your local parts store and run the failure codes.

Shop notes:
Your ECU thinks that the engine is running with out moving, During slow down the engine steps down the idle to match ground speed and as a result the engine will not stall. At present it goes directly to idle and stalls due to drag on motor.
Hope this tip helps.

R/
David

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1 Answer

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