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Posted on Jan 05, 2018
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96 chevy beretta 2.2 no spark no injector pulse ECM reading crank and cam signals and are in sync while cranking. What would loose both ign and spark on this system. All the fuses are good. Not sure if any fuseable links off the starter go to power PCM or IGN, its tight to get to them but they feel ok.

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Dan Hooper

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  • Chevrolet Master 4,523 Answers
  • Posted on Jan 05, 2018
Dan Hooper
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If you are getting the signal from the PCM to the DIS module, but the coils are not firing, that would be what I would look at.

deton8 von Splosion

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  • Chevrolet Master 3,342 Answers
  • Posted on Jan 05, 2018
deton8 von Splosion
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Hello mchamberl126,

First answer: typically a half dozen issues could be
stopping your START... Get your code read...
and ignore THE COUNTER CLERK's OXYGEN
SENSOR
sales pitch (they seldom solve the issue)

None of this "STUFF" is magic... and everybody
typically starts at the beginning ... but wouldn't it be
nice to know some important TIPS in advance.

Your ECM
(for example) is AMAZINGLY cheap
(see here)
1996 CHEVROLET BERETTA 2 2L L4 Engine Control Module ECM Computer RockAuto

But RE-PROGRAMMING is required (not cheap)... SO

An important NOTE about AUTOMOTIVE electronics...
.(actually ANY semiconductor circuits you care about):

The tiniest static SPARK (you might not even feel)
is enough to UTTERLY DESTROY any semiconductor
on the planet...

Electro-static DISHARGE:
ESD
precautions should always be employed...
(A very simple and cheap [high resistance] wrist band)
Amazon com Rosewill ESD Anti Static Wrist Strap Components RTK 002 Black...

Typically automotive mechanics GET AWAY
with their GROSS NEGLIGENT behavior because
they are usually contacting (grounding themselves)
METALIC body parts, nuts bolts... (etc.) an THEN
touching the various CONTROL MODULES. ECM,
PCM, BCM...TCM (etc.).

ALSO ...
High IMPEDANCE (resistance) test equipment...
or EVEN better... Non CONTACT test equipment
can get your testing done (professional results...
Without EXPLODING those pesky AIR BAGS.
(also quite expensive... never-mind dangerous).
((look on AMAZON for NCVT DC testers))

So as more & more cars are carbon fiber, plastic
(non-metallic et al)... Fewer SEMICONDUCTORS
are going to survive mishandling... I am only
concerned with YOUR CONTROL MODULES.

FREE drawings can be found at
BBB Industries Premium Alternators Starters Power Steering Products

Hope this gets you SAFELY started
(I am typically here daily... )

Carnac the Magnificent

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5 Related Answers

Anonymous

  • 3 Answers
  • Posted on Jan 25, 2009

SOURCE: no power to ignition 96 camero dl

Check the wires to the distributer or to the modules could be poor or no conection. If you can turn the car over but no spark it's probably something to do with ignition, distributer, module, or wiring to the ignition.

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Anonymous

  • 2 Answers
  • Posted on Jan 27, 2009

SOURCE: I need a wiring diagram for a 1990 lincoln town care

fuel pump inside fuel tank accessed by removing plate on forward facing tank panel.
Inertia switch is inside boot/trunk
Ign module is plugged into side of distributor.
The coil is a standard 12 v ignition coil.
The ecm is located projecting through the bulkhead (firewall) by the drivers feet.
You can access the trouble codes with a scanner plugged into the socket in the engine compartment drivers side or by counting flashes of light on a 12v testing light as described in the Haines Manual

Anonymous

  • 94 Answers
  • Posted on Mar 26, 2009

SOURCE: 96 audi a6 quattro no spark or injector pulse

I WOULD GO FOR THE ECM AND CHECK WIRING

Anonymous

  • 740 Answers
  • Posted on May 15, 2009

SOURCE: 1993 honda accord 2.2,no injector pulse

This sounds like a main relay problem here is a diagram its located under the dash under steering column its the brownish -orange box in the picture. http://www.tegger.com/hondafaq/mainrelaylocation/7-main_relay_closeup.jpg Good luck and thanks for using FIX YA

Anonymous

  • 921 Answers
  • Posted on Oct 08, 2009

SOURCE: S-10 Cranks but won`t start jumpacross ECM battery

how about fuse..is it bad?

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Hyundai sonata 2006 no injection pulse there's spark to plugs

Is there an RPM signal reading on the scan tool when the car is cranking? If there's no RPM signal, it's likely there's a problem with the crank sensor or cam sensor. An RPM signal usually indicates the two are good.

If you're getting an RPM signal, I'd back probe the injectors, and look into confirming you have good supply voltage, and a steady 12V on the injector control wires. I'm assuming the injectors are switched on by the computer ground.

If the voltage stays low or remains at 0v on the control wires, you have to look further into the circuit feeding the injectors. A wiring diagram would be best.
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Need a fix for no injector pulse, cam signal, and no start

Have you checked to make sure the security system isn't preventing it from starting?

If not, the cam and crank sensor needs to correlate in order to have injector pulse and spark, so I would start by probing the cam sensor to check for AC current while cranking if there is current ohm the wires to the ecm, if the ohm reading is less than 1 ohm it sounds like a computer problem
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Wont start. it has injector pulse but no spark

is there power and ground to the coils?

If there is injector pulse than the crank sensor has to be good. Injector pulse and spark are both calculated off from the signal from the crank sensor.

Checking for power and ground to the coils is a good place to start. If that checks out than either there is a wiring issue in between the PCM and the coils or possible the PCM has failed.

I’m happy to assist further over the phone at https://www.6ya.com/expert/jeremy_d728a59f986299fa

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My 96 plymouth wont turn over after ive changed crank sensor cam sensor ecm ign switch coil wat could it b

Are you saying it won't crank or won't start ?
If it won't start, are you getting spark to the plugs and fuel to the injectors ?
Does it sound like the engine has normal compression ?
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2006 beetle no start no spark or injector pulse. Replaced crank sensor , no luck. Fuel pump runs.

No spark no injector pulse your saying you check pulse. With the key in the igition is there a key sign flashing and does the key have a battery for alarm. For the fuel pump to operate it need a crank signal so you got the crank correct but no spark so the crank works. Can you check the ignition for pulse you know how it is shape its curved on one side staight on the other side well the curve side and at that end is the ground after that on is the control from ECM. If you can check pulse there then we can go to the ECM . What I am trying to get at is this your alarm is the only thing beside the ECM that can cause this.
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No spark

spark comes from a couple places you want to check.
1) coil
2) crank and cam sensor
3) ECM
if you find also the injectors are not getting an injector pulse than your spark problem is leaning more towards the sensors or the ECM.
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Check the fuse for the injectors, some vehicles have the injectors and coil running on the same circut, at the same time check the fuse for the ignition.
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