Question about 1989 Ford F 150

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89 F-150 5.0 EFI I got spark, Got fuel, Turns over but Wont start...Any ideas?

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  • johnny wyatt
    johnny wyatt Aug 21, 2010

    Does it have a mass flow air sensor? Check egr valve if its carbon up it will hold the valve open and keep it from starting.

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  • Ford Master
  • 3,640 Answers

If truck does not start it sounds like a bad crank sensor! have it scanned to be sure. a bad crank sensor as it controls timing more than likely engine will not start at all. engine back fire or irregular rpm function. no start and no pulse to injectors, car will stall when stopped. p0335 to p0342 are the sensor problem codes.

Posted on Aug 21, 2010

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Posted on Jan 02, 2017

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My 1989 ford escort gt turns over but wont start??


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what work /servicing has been done to the motor recently
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26207425-r2ugqs25e0pyyy0hkxf5y1qh-1-0.jpg

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1997 Prism LSI. It cranks, but why won't it start?


redux 2
not car smart ?
and no photo of your ENGINE so we both fail
hard.


crude video, but is for folks with near zero tools
or shows you clearly why you dont want to do this.

https://www.youtube.com/watch?v=064Ilsz8Fzg&NR=1&feature=fvwp

so get car fixed
use a real mechanic.
see why?

the DIS engine started in July 1997 (mfg,date)
http://www.fixkick.com/PRIZM.html

facts.
so your does have a distributor (google that please)
but 1997 is also a big change, a new engine
end to end. july 1.

no photo of your engine,means NO JOY.
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1 Answer

F6a efi wont start


there is the list , and correct order that always works.
1: fuses. good?
2: 12vdc to all EFI parts (battery charged? at 12.6vdc? rested)
use a voltmeter, no guessing... and the VM dont lie.
3: good compression, on all cylinders. 150psi w.o.t
if all are real low the cam belt/chain slipped. (generic post)
4: good spark, the ECU cuts fuel ifs spark is gone, so spark
on gas engines, is #4. i check timing to see if cam slipped.
5: good fueling. (too much or too little, it will not start)
i check for flooding with spark plug tip checks, soaking wet is flooding.
dry is lost fuel, try test fuel check now, (spray fuel)
if flooded do the super secret unflood test in the operators guide.
SS-= cranking with wide open throttle.

i bet its running now.

skipping 60k mile tune up's will cause no starts
as will bad fuel.

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2 Answers

2008 suzuki jimny wont start Was running ok then


sure , they all ran like new, when new. or yesterday.
but not now. that means it BUSTED.

so check for spark.
if not spark then fix that.
modern cars have EFI, and all EFI cut fuel if the cars ECU brain
even thinks for a moment there is no spark (it can see it?
so spark is 1st. (if engine is good,)
ever give the car a full 60k mile tuneup, (100km)
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1 Answer

1996 SUZUKI X90 WONT START AND THE SPARK IS LOW


can only be 3 things, bad motor, bad spark and bad fueling, in that order.
and 3 tools to check each, in that order.
ever do the 60k tuneup, (I have 4 of these cars restored and 3 sold)
http://www.fixkick.com/nostart.html

my guess is fuel pressure good means it passes the squirt test
right? this is no carb, EFI needs 30psi, and squirt tests tell you near nothing.
Ponder this. if the motor had 170psi compression
and the spark was good, (it will be tuned up)
and is timed, right. is it?
then it will run perfect on test fuel. does it.?
if yes , then you have fueling problem , once this is proven, we work fueling hard.

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1 Answer

Suddenly refuses to start,first time since i got it,plenty of fuel,good spark from plugs,fuses all ok,turns over perfectly but wont fire


Crank it long lets say 10 seconds remove one plug if is dry, no fuel! now inspect EFI fuse OK, then SWAP EFI relay for other that look the same like horn relay, unable to do that let somebody else crank the vehicle and put you finger on the relay clicks EFI system ok.

Spark plug dry (continue) while somebody cranck the car put a long screw driver in the injectors and the other end close to your ear, did you listen the ticki noise from the injectors No? probably no crank sensor signal.

Spark plug is wet, but the spark wont ignite that fuel. bad fuel ! or bad timing.

All this easy test are done asuming you dont have profecional tool like stetoscope, scanner, etc

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1 Answer

Toy turns over but wont run change fuel filter n fuel pump still


The fuel pump should run for a second or two when you first turn the key on, but then shuts down to prevent the engine from flooding if the computer does not get a signal from the crank or cam sensors which the computer uses to trigger the ignition system. So no spark no fuel. Check to see if you have a spark in the ignition system.

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1 Answer

My 89 ford f150 v8 302 wont start up i


U are going to have to replace the fuel pump, the pump is located in the fuel tank.

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1 Answer

1990 toyota pickup wont start/turns over no spark or fuel


there may be a bad contact problem check the wire running into the fuse box and look at the relay for the efi

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