Question about Lite On Spark Plug Lite Green LED

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No spark at the spark plug

There is no spark at the spark plug and have put new coil and asd but still no spark

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  • appo Apr 27, 2008

    fitted engine from one to anoter fueling up but no spark previous engine was running untill cam belt failure so crank and cam sensor swapped over it is a 1.6 16valve fiat 1998 the key light does go out all fuses are good

  • cowpie Jun 06, 2008

    no spark to plugs. coil packs ok. replaced icm. still no spark.

  • davtarddt Jun 28, 2008

    car wont start,no spark to plugs...what is the most likely problem on el falcon..coil,ignition module or distributor ?

  • keppy4220 Jul 09, 2008

    no spark car won't start could it be a sensor
    the car was driving and it would shut off then would restart and the gas peddle when the car was acting up would feel like there was no gas in the peddle

  • keppy4220 Jul 09, 2008

    92 buick century 6 cylinder 4 door

  • Craig Bush
    Craig Bush Oct 19, 2008

    no spark on my EF ford fairmont? after replacing the drivebelt it worked for a week then now wont start kicks over but dos'nt ignite

  • beltsaga Jan 05, 2009

    I have a 1992 ford f-150 4.9 liter 6 cylinder no spark to the spark plugs had coil checked it is fine. Just did tune up then it wouldn't start.



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Hi i have a 1997 el ford falcon i was told it was the coil so changed it and i still have no spark

Posted on Dec 20, 2009

  • Craig Bush
    Craig Bush Dec 18, 2010

    The Problem in my EF 1994 Ford Fairmont was the crank angle sensor causing it not to spark.


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Sorry i just saw our post you need to tell me what kind of car engine it could be a crank sensor new coil module if you have no referense going to module it will not ignite and you can ask fixya for a car categories i been asking for a wild im a 25 year experiense mechanic but i cant help people with no categorie for car problem thanks for using fixya pierre

Posted on Feb 05, 2008

  • Craig Bush
    Craig Bush Dec 14, 2010

    The Problem in my EF 1994 Ford Fairmont was the crank angle sensor causing it not to spark.


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I have a V6 96 ford probe,i put a new ingnition,ing-cover,rotor,plugs wires,but i have power to the ingnition,just not out the plug wires.

Posted on Dec 05, 2009


Posted on Oct 23, 2008

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Posted on Jan 02, 2017



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SOURCE: no spark at the spark plug

Check first if your battery got a full charge, or not drained...

Let me know..

Posted on Jul 18, 2008

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1 Answer

1995 jeep wrangler changed plugs roter cap coil no power to coil can you help

why not the full story?
it ran ok, but misfires, so decided to do a real tune up, yes?
or is this a new engine, we can not guess context ,only you can say it.
no spark at coil? all spark plugs dead.
but i bet you dont know about ASD.
and takes 2 people to check spark
because 1 person can not turn the key and see spark by him self.
and it can only last for 3 seconds
so test 1 is no coil spark is.
check that the ASD pulls in. does it? if not fix that.
if it does, do you get spark for 3second then ends as ASD drops?
bingo fix that.
this page shows how all works, and to use the DTC errors for clues.
big clues.

Oct 17, 2014 | 1995 Jeep Wrangler

1 Answer

No spark at the spark plug

Check first if your battery got a full charge, or not drained...

Let me know..

Jul 18, 2008 | Lite On Spark Plug Lite Green LED

1 Answer

93jeep grand Cherokee 4.0, has no voltage to coil

the 10,000 post for same question.

check fuses first. as always .

no spark from just the coil , right,???? that be first
using 2 men (or 1 man and teenage son, wife or friend)
one man cranks and other checks for spark at coil actual.
no spark at coil actual, (the coil HV terminal is checked using a test sparkplug just like a 1920 car to now)
its dead,or has spark for 3 seconds. or the ASD relay NEVER pulls
in, this is the 3 first checks after testing fuses.,
ASD 101

Oct 17, 2014 | 1993 Jeep Grand Cherokee

1 Answer

I have replace the ignition coil,the distributor cap and rotor,crankshaft sensor but it still want fire

the word is spark , if the engine is gas and not the diesel
you need spark, to FIRE. (youd have to be a spark plug to see fire)
so no spark in the unstated engine option. WHAT ENGINE?>
that is called ASD if ....
if no spark on all cylinders. your next step is to
check all fuses, first.
then look at the ASD relay, then see if it pulls in cranking
it must energize for at least 3 seconds. cranking,..... do tell?
if it drops (ASD) out there are up to 8 reasons for that, less in 1995

Oct 15, 2014 | 1995 Jeep Cherokee

1 Answer

I have a 2002 dodge intrepid cranks but no spark.changed cam shaft sensor and crank sensor., all new plugs but still no spark....please help ..thanks

Hi Leroy, Im glad to help!

Here's a couple things you can try. First, swap the ASD Relay with one of the same type relays in the relay box. If it still doesn't start check every fuse. If it still doesn't start check power and ground at the "COIL PACK" If power and ground are good Replace the Coils Pack. If there is no power and ground at the coil pack then make certain you are getting power from the ignition switch to the ASD Relay. Hope this helps and have an awesome day Leroy.

Oct 02, 2014 | 2002 Dodge Intrepid

1 Answer

1999 Playmouth 4 cylinder will start after several tries. have new fuel pump, fuel filter, spark plugs and wires, checked ignition coil pack and connections and ASD and fuel pump relays. Everything checks...

I see you replaced the fuel pump , spark plugs an wires , fuel fliter an checked ignition coil pack , Connections ,ASD relay . And everything checks OK ?????? How did you check these thing's ? Testing electrical circuits with a DVOM - digital volt ohm meter ? Fuel pressure testing the fuel pump before replacing ? Does the vehicle have spark ? How about hooking up a scan tool that can view engine sensor data .A bad coolant temp sensor could cause hard starting. Did you check the dark blue with yellow trace wire at the PCM connector 2 pin 67 . This is the PCM control side of the ASD relay . Do you know how a relay works ? how to test at the relay base ? where in plugs into.
How to test computer transistor driver without scan tool

Electric Testing Techniques You Need to Know

Basic Electricity for Service Techs Ohm law Current Flow Opens Shorts
VEHICLE RELAYS Testing from the relay base

VEHICLE RELAYS Operation Diagnosis

Jun 01, 2017 | Plymouth Neon Cars & Trucks

1 Answer

94 jeep has no spark at spark plug

94 GC ZJ body.
which engine option?
says you have no spark
so you read the fsm. on that.
on spark an fueling and the ASD relay.
no gas car runs with no spark and jeep cuts fuel if no spark is MONITORED as true, by ECU.

what a shop does,
is scan it , if no scan tool
he, uses one of the other 2 ways scan,called the blinking light deal.
i crank for 5seconds, and see if it stores, code, 11 or others.
click ZJ
click emmission
see chapter 25 on how to do flash CEL check engine tests.
the ECU will tell you if crank, cam senors are dead or they they are not dead but spark is.
if the ecu see any of those 3 errors, it cuts the ASD relay in 3seconds.

it take 2 people to do this.
person one keys start. and sees ASD close for 2seconds.
you key fast and person looks for spark
if no spark that means the ASD didnt close
1: if cam and crank DTCs didnt happen then its spark bad.
2: cam/and crank sensor pass. then no spark that means
the ignitor is dead or coil.
check spark at coil not spark plugs.... for better way.

why people get so confused here is that there is only 2 seconds
to see spark..
let me give a prime example here: (shows the ropes)
person 2 saw spark for 2 seconds, but the ECU saw the CKP crank sensor misfiring 1 out of 10 times. the ECU considers this bad
and cuts the ASD , killing ALL, and setting CKP dtc error
fix bad CKP.
all 3 tests must pass or the ECU will cut the ASD.
the asd kills spark and fuel.
not just fuel.
tricky yes, but no crash and burn like seen on TV.

im not sure but this ECU might store all DTCs found cranking
some cars dont. store bad spark. only CKP and CMP bad.
the ECU does see the spark singles bouncing back from the ignition coil primary, if missing it cuts ALL>

Mar 01, 2014 | Jeep Grand Cherokee Cars & Trucks

1 Answer

I have replaced the spark plugs, wires, coil, distributor cap & rotor, coil wire and my 92 wrangler, 4.0 L HO will crank but not start. I pulled a plug and grounded the casing, cranked the engine and...

a good start, (no pun) spark renewed parts
good. always good. a full tune up.. for real. (spark)

that distrib device is called a CMP, cam sensor!
the flywheel has CKP sensors. to...

but the reason you cant find this is you lacking a scan tool.
the PCM can cuts spark for many reasons.
the ASD relays does that. by command of the PCM

The PCM drops the relay for 1 to 8 reasons.
minus 1 , your car has no IMMO SKIM key.
but here is how to diagnose all JEEPS, (not fake MK jeeps)
first is to understand the ASD relay.

to do the tests takes 2 persons, unless you are a Xmen. guy.
the JEEP LAW OF 2 SECONDS must not be ignored,
2 full seconds. rule.
this rule applies to spark and fuel,

1:fuses good. test them.
(key on CEL glows, check engine lamp must glow or PCM has no power) does yours?
2: man 1, cranks. (car can crank with DEAD PCM) yup.
3: man 2 , (or WOman) tests spark using a test spark plug
at say #1 front, (easy bend over) lazy we are.
use a real spark plug. ok>? new. or not shorted.,
you ground the shell (this is a 100 year old test, not magic and is done by every mech, alive.) google how to test spark
and not get electrocuted, (got a pace maker?, keep hands in pockets)
4: the key on ASD closes and engine cranks and spark happens for 2 seconds, or not, if the spark ends just as the ASD drops
a hard cold fact.
if there was not spark for 2 full seconds, then sparks dead.
the PCM must be scanned.,
if you cant scan you get to shot gun all day.
i have a scope , you dont but i can see if the pcm is pulsing the COIL.
you cant. so get to guess that too.
if the PCM is not pulsing said coil (lets pretend coil is good, i can bench test them, easy)
then the PCM has BAD INPUTS>
or CKP
tops the list. of shot guns, seems like 1000s replaced here
and not one fixes it.... but goes on.. .. and on because....

best is to own a scan tool to fix any jeep 1991 to now.
or go broke every time a part gives up the ghosts.

the keyon 3 times tests.
can find problems , but NEVER ALL problems, its blind to many.
its just toy really, but has value, if if works.

Mar 26, 2017 | 1992 Jeep Wrangler

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