1997 Saturn SL Logo

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Posted on Apr 06, 2011
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Have a 97 Saturn SL that will not send fire to the spark plugs from the coil packs when fire is going into the coil pack. Have change the computer, crank sensor, and coil pack

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  • Master 3,911 Answers
  • Posted on Apr 08, 2011
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Joined: Feb 14, 2009
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There is an ignition module, which sits underneath the coils, has been known to go bad.

  • Jeff Strout
    Jeff Strout Oct 17, 2013

    I think i have the same problem..car starts for ten to thirteen minutes then dies..Check fuel pressure at shrader valve and it is getting fuel..Once the car shuts down it takes about an hour and then starts again for ten minutes...I have ordered the ignition module!

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Related Questions:

0helpful
1answer

I need a wiring diagram for the ignition circuit of a 1999 saturn sl

THE CARS VIN 8TH DIGIT TELL WHAT ENGINE IS THERE, so which one is it.?
check all fuses first, as in all
(cab and bay boxes)
and battery must be charged and good first. and kept charged for this service and testing.
no spark on just one cylinder or all ,(no engine told of 2)???????
the service manual covers all that.

so starter does crank the engine fast?and robustly? not slow as slug.
1.9 L, SOHC, SINGLE CAM
1.9l DOHC TWIN CAM ENGINE
2.0l
3.0L ? V6?
THEY ARE not THE SAME AT ALL , FOR EFI OR SPARK
BUT Both engines run a pair of twin coil packs
rule1:
the 2 HV lugs on each pack both must be wired to the correct spark plug !!!

or firing order is noW dead wrong and fails. called wasted spark.

rule2
2nd rules is it those old 24 year old wires sets (junk) if one fails open, that makes 2 spark plugs go dead and bingo it will never start as 2 cylinder engine ever. never ever run 24 year wire sets, of fail you will !!!
go NGK mag-wire sets in fact. best.
rule 3: wasted spark
to test spark never pull 2 HV wires on one coil pack . test HV wires 1 by 1 using clean new test spark plug.
yes 2 can be tested at the same time but lets skip how now, do thme 1 at a time
spark tests. do not skip any.



scan the PCM yet for DTC errors, be big shame to miss out ,omg the PCM sees CMP or CKP dead. cam or crank sensors errors or coil pack errors.

Id have new spark wires installed this old. 24 years.
and now rule #4 wasted spark
do not pull off all wires to it replacing the pack
do so 1 wire off old pack on back on to the same exact lug. on new pack
or , firing order is lost.


for the 1.9L (wild guessing me the engine)
if you get it all messes up the cure is here
4 and 1 fire same time
2 and 3 fire same time, paired.


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0helpful
1answer

My 1997 saturn sl standard turns over no fire changed coil packs still no fire what next

Did you check for B+ volt an ground at ignition module before replacing the coil's ? Videos on youtube showing how to test GM ignition systems
1helpful
1answer

I have a 02 Saturn SL 1.9 SOHC I have changed 1 coil pack & spark plugs but it still misses bad & check engine light flashes

check compression ..a difference of 15 lbs compression from cyl to cyl will cause in balance. if ok check crank sensor, supplies signal for coil to fire
1helpful
3answers

Can you tell me what the firing order is when looking at the motor of a 2005 GMC Envoy SLT 4.2?

Firing order is 1, 5, 3, 6, 2, 4. Number 1 cylinder is up front. Why would you need the firing order, this engine does not have plug wires, each plug has its own coil pack, each coil pack is controlled by the computer.
0helpful
1answer

Car is turning over but does not have fire through spark plugs

on the front of the engine there are two coil packs, and underneath them an ignition module. go to a junkyard and get another set, they are all about the same 91-99. if that does not work then you are looking at another computer. i am assuming you have actually checked and there is no spark at the plugs and that the plug wires are in good shape.
0helpful
1answer
3helpful
1answer

Spark Plug Wire Diagram

on the coil pack the one all the way to the left thats #4 then going from left to right #4-#1 #2 #3
4123 on the coil pack
then on the engine the spark plug closet to the top engine mount is #1 then 234 from left to right 1234 on the engine
2helpful
1answer

1996 Saturn SL1 - 1.9L-4 cyl. will not start. The starter turns the engine O.K.,there is fuel pressure in the line but no spark.Yet after connecting OBD II reader-it says there are no fault codes.....So...

possible coil pack which is a semi popular failed item on these vehicles....sometimes the pack will fire cold ,then break down hot. Another cause of failure is bad/open plug wires where the kv's have no where to go except right through the heart of that pack and to the easiest path to ground...check pink wires for 12v to the pack and if thats present you might need that puppy....good luck
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