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Left the key in the on postion overnight now wont start , got spark got fuel , tried replacing ecu same thing itll turn over fine but just wont start, got good compression,

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Spent too much money. Pull battery for 30 minutes. Try again.

Posted on May 22, 2011

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88 ranger 2.3l...replaced fuel pump, filter, plugs, plug wires, ignition module, coil pack. Wont start. ECU was replaced last yr. Initial spark when the key first bumps...then nothing. Wont start.


There is a fuel cutoff switch if the truck was in any type of collision. They also have relays that control all of the things you replaced. Start there and do a visual inspection of relays.

Nov 09, 2015 | Cars & Trucks

1 Answer

Why wont a 2001 kia sportage start ???


look into the ignition relay, coolant sensor. Scan the ecu for any leads (codes)

Apr 25, 2017 | 2001 Kia Sportage

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I have a 1992 Honda civic lx with a 1.5 four cylinder, and Ive replaced the ignition switch the fuel pump relay and the fueled pump itself however, the fuel pump still doesn't prime when I turn the key...


no start , crank perfectly
so , got spark?
the ECU has programming (ROM) and in fact kills all fueling with no spark , (even if it thinks there is no spark, even if spark is ok)
all ECU use a way to read back spark quality, (ALL){LAWS}
how honda does it in code, i don't know , see C R O M E forum)
turn the key over means nothing to me.?? sorry, it doent/
try saying what postion? cranking? or just keyon.
now some more EFI rules.
The EFI (some) do not activate the pump relay until cranking.
some do just key on for 3 seconds, read the FSM, its free.
need a link to the free manual? read the ECU logic on that.?
and prime has a special meaning, it means purge air,
its not for fuel. some system send a fast prime pulse. to clear air from the pressure lines, this plus does not inject.
that is how EFI works,

the flow
1: key on, ECU sends prime pulse, (air purge)
2: some ecu, run pump for 3 seconds, and pressure hits 35psi? RTM.
3: all ecu activate pump cranking and running.
4: now check pressure. !" 36 psi FSM stated spec"
5: now crank, if the ECU sees no spark errors, it injects
6: if the ECU sees WOT. it stops injection to clear a flood, cranking.
those rules cover most ECU made.

honda this year has a special feature called,
Fuel Cut-Off Control'
if this messes up, it i can cut fuel
does this help?
even better is this site, (has all the facts..)
http://honda-tech.com/showthread.php?t=810101

Oct 07, 2013 | 1992 Honda Civic

2 Answers

2001 won't start. turns over but doesnt even act like its firing. sometimes there is a smell of gas like it is flooded. started back in jan when it was cold. replaced battery and spark plugs to no...


check the color of your spark if it is blue your good if orange replace coil dependig on your setup and if you have 1 coild or 8 coils you many have to check each cylinder seperate just pull out spark plug replace the spark plug wire have someone try to start car and lood at color of spark i should note dont hold the wire just let it rest close by

if that is ok replace your crankshaft postion sensor as it tells the cars ecu when and to what cylinder to fire spark to faulty crankshaft postion sensors 99 percent of the time wont allow car to start or very hard starts the other 1 percent

if it helps please leave good review 4 thumbs

May 09, 2011 | Chevrolet Tracker Cars & Trucks

1 Answer

My 1997 gmc jimmy will turn over but not start?


are you gettin fuel ? are you getting spark ? if so is it bright blue it should be if its orange is bad
check and replace fuel filter if all that is good check and replace crankshaft postion sensor and or cam shaft postion sensor as they tell the ecu when to fire the spark and to what cylinder


lmk if it helps please give me good feedback

May 09, 2011 | 1997 GMC Jimmy

3 Answers

1998 chevy c15 5.7 SFI SYSTEM


My truck did this after I replaced the fuel pump. Turned out to Fuel Pressure Regulator. It would crank and crank but never start. It's located underneath the black plastic manifold on the side of the injectors.

Feb 03, 2010 | 1998 Chevrolet C1500

2 Answers

Golf gti 2.0 8v keeps cutting out now it wont start


Just found your problem while looking for solutions to my own. My 2.0 8v 3door 97 golf gti can also cut out after driving for two or three minutes. Works fine one day then dies instantly 5 times the next...not a safe thing to happen pulling out of a junction!! Have researched problem and been told that it's probably fixable for £12-15. The "Hall Sender Relay" which is the fancy name for the ecu's power supply relay can go on the blink and cut power at any time causing instant shutdown...just like turning off the ignition key. Part number is 165906381 and available from a local vw dealer usually overnight. I'm fitting mine tomorrow 4/4/09...fingers crossed! Hope this helps others...worth a try for the cost involved.
Allymac

Jul 14, 2009 | 1996 Volkswagen Jetta

2 Answers

My 94 camry was working fine yesterday. This morning i tried to start it, it wouldn't start. The batteries are fine. it makes the turning noise it supposed to right before it starts...won't start though....


Your vehicle needs two things to start, gas and a spark. To check to see if its getting gas just turn the key to the on postion(not start), next go to the gas door open it and take the cap off, put ur ear to the  hole and listen by a humming noise, if u hear it ur fuel pump is working properly. Next check to see if all your spark plug caps are on and they connect firmly to your distributor cap. If they all are then most likely you arent getting a spark in your plug and you need to replace the plugs or check for shortages in wiring.

Mar 17, 2009 | 1994 Toyota Camry

1 Answer

This is what i have already done..


If you checked all that then all thats left is the ECU..L/H Footwell..if you done a jumpstart lately with booster cables then you could have damaged the ECU..check it out..Go on to APEXI website and itll give you the pin location for all the ECU'S honda make...then start con checking to see if there is a break in the wires. thats all i can think of.

Dec 02, 2008 | 1997 Honda Civic

1 Answer

Will not start,I hear no fuel pump action when key is turned on.checked all fuses and fuel relays .And the dash gauges do not resgister with key on postion. Added fuel straight into throttle body with no...


hope your not have the same problem that i had. i had to replace the ecu. my gauges wouldnt read and my odometer just flash and that would be it and the gas light would come on even though it had a full tank. but there one thing that you could try. replace the auto shut down relay first before you go and replace the ecu. the auto shut down shuts the computer off when you turn the key off. and if thats not working right then the computer wouldnt come on and the truck will not start and the fuel pump will not come on and the spark plugs will not fire.

Jun 25, 2008 | 1998 Dodge Dakota

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