Question about 2000 Hyundai Elantra

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No spark no feulpump have power to coil

No spark no feulpump have power to coil

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Check the vehicles fuse block for the cars E.C.M. or E.C.U.or C.C.U. fuse, or however they word it,they go bad and short out or the fuse blows out powering it and kills it,and without this computer powered the fuel pump or spark coil will not have power,i have seen it on trucks where the +12 wire that feeds it off the ignition will short out to the frame and blow the fuse resulting in the same condition,which will need tracing to get power back to the unit to operate the engine and its parameters

Posted on May 28, 2010

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Posted on Jan 02, 2017

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1 Answer

No spark at plugs. Has power to coil


By power to coil do you mean spark comes out of coil tower or only the feed wire to the coil has power ? If only the feed wire has power the coil may be bad. Which engine do you have ?

Mar 31, 2016 | 1987 Honda Civic

1 Answer

James what can I do to check coils on ,2003 accord lx 2.4


Not James, but maybe I can help: Under the dash in the fuse/relay box is the ignition coil relay. This sends battery voltage on the black/white wire to all four coils. With key in on, all 4 coils should have power to them on this black/white wire. If no power, check fuse #2, a 15 amp fuse which sends power to the ignition coil relay, and on to the coils when the relay is energized by the ecu/pcm. Only thing else to cause spark is when the ecu/pcm sends a signal to the coil's Ignition Control Module (housed inside each coil assembly), which controls the primary circuit (the black/white wire), and causes high voltage to the spark plugs.

So check the black/white wire to the coils. If power there with key in on, check for spark at a spark plug when cranking the engine over. If power to coils but no spark, possibly a crankshaft position sensor or cam position sensor giving a bad signal to the ecu/pcm. Good luck.

Sep 01, 2015 | Cars & Trucks

1 Answer

Have a 1986 chevy celebrity tec4 an have no fire from coil ive replaced coil checked fuses an have power going to coil still no fire


ignition will trigger if signal from crank sensor, with hei spark plug tester ,read to coil wire and spark plugs wire if spark , depends wich engine
if c3i coil and module the module could be the problems you can check it before replace
hope it helps

Mar 29, 2014 | 1986 Chevrolet Celebrity

1 Answer

Won't start replaced feulpump and feulpressure regulator and still won't what could it be


Did you check fuel pressure at the injectors before and after you replaced the pump ?
And did you also replace the fuel filter ?
Is it getting spark to the plugs ?

Jan 12, 2013 | 2003 Chevrolet TrailBlazer

1 Answer

1992 oldsmobile achieva wont start


My first question would be - have you checked the fuel pressure with a gauge to see if the pump is working ?
Have you also checked to see if you have spark at the plugs ?
These things would need to be done to narrow down the options.

Oct 02, 2012 | 1992 Oldsmobile Achieva

1 Answer

No spark runns fine then loses spark wait 10 minutes starts


The spark plugs receives power to spark from coil pack.Check the power at the coil pack and also check the voltage at the coil pack with meter.If the coil pack shows proper power as well as voltage then its fault in spark plugs.Otherwise its faulty coil pack.The coil pack receives power from battery.so also check the voltage of the battery it should be exact 12 volt.
If the battery shows low voltage then the battery needs to be re-charged.
Then check out.
Thanks. you can rate this solution and show your appreciation.

May 20, 2010 | 1992 Pontiac Bonneville

1 Answer

1998 4x4 jimmy has spark will not start


check the fuel pump, are you getting fuel preasure to the injectors, you may need a gauge to test this,or if you spary the throttle body will it start if it does then i would say its the feulpump, start there first.

Dec 26, 2009 | 1998 GMC Jimmy

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