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Mike S.
Mike S., Chevy Mechanic
Category: Chevy
Satisfied Customers: 6793
Experience:  ASE Certified Master Technician
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1999 chevy cavalier getting spark and gas, cranks and sounds

Customer Question

1999 chevy cavalier getting spark and gas, cranks and sounds like its going to start, but doesnt. 150lb pressure on all 4 cyl. Replaced
Camshaft,crankshaft sensors . Replaced fuel pressure regulator. Spark plugs. Fuel filter.and fuel pump.when cranking the engine speeds up as if its going starts but acts like an old engine when the timing is too low.
.
Submitted: 11 months ago.
Category: Chevy
Expert:  Mike S. replied 11 months ago.

That just about leaves the timing chain, doesn't it. Which engine is this, the 2.2l, 2.3l or the 2.4l?

Customer: replied 11 months ago.
2.2
Customer: replied 11 months ago.
is there anything or any other way to check timing before condemning the timing chain? we removed fuel pump relay and put starter fluid in throttel body. gets no sputter in thrott!e body when cranking, just speeds up and hits a little
Customer: replied 11 months ago.
when the pan was off i couldn't get to it much, one finger , and could not feel slack in the timing chain? imagine the night mare of
taking it loose finding timing marks align :-)
Expert:  Mike S. replied 11 months ago.

A compression test is about the only way.

Expert:  Mike S. replied 11 months ago.

if need be, here are the instructions for the 1999 Chevrolet Cavalier 2.2 Timing Chain Cover & Seal, plus the 1999 Chevrolet Cavalier 2.2 Timing Chain & Sprockets.

Customer: replied 11 months ago.
on compression the pressure is holdin at 150 pounds on all 4 cylinders
Expert:  Mike S. replied 11 months ago.

Yeah, I see you had already said that before, sorry I didn't remember that.

Retrieve the computer codes, remove a spark plug and smell if it's gas fouled already.

Customer: replied 11 months ago.
the only thing that it said when i pulled code was evaporative emission failed.we stopped the gas from tank and it does the same thing with starter fluid
Customer: replied 11 months ago.
can u think of any signal that maybe cant reach the ecm that could effect timing?
Customer: replied 11 months ago.
not trying to bug you , it just does not behave like bad timing chain
Expert:  Mike S. replied 11 months ago.

Yeah, I agree of the compression would have been lost.

I'll look but let me ask, when was the last time this engine ran?

Are you sure of the firing order?

How do you have the firing order now?

Customer: replied 11 months ago.
about 1year ago
Expert:  Mike S. replied 11 months ago.

You should be able to hook up a stroboscopic (dynamic) timing light on this engine and see if the timing is off while cranking.

Expert:  Mike S. replied 11 months ago.

What was done 1 year ago?

Customer: replied 11 months ago.
2,3,1,4
Expert:  Mike S. replied 11 months ago.

Here is the paragraph about the ICM,

Ignition Control Module (Icm)

The DIS module or ICM, as it's called in later years, monitors the crankshaft sensor signal, then, based on these signals, sends a reference signal to the powertrain control module (PCM) so that correct spark and fuel injector control can be maintained during all driving conditions. During cranking, the module monitors the sync-pulse to begin the ignition firing sequence. Below 400 rpm, the module controls the spark advance by triggering each of the ignition coils at a predetermined interval, based on engine speed only. Above 100 rpm, the PCM controls the electronic spark timing (EST) and compensates for all driving conditions. The module must receive a sync-pulse and then a crank signal, in that order, to enable the engine to start.

The DIS module or Ignition Control Module (ICM) is not repairable. When a module is replaced, the remaining DIS/ICM components must be transferred to the new module.

The IC system is a series of circuits between the ICM and the PCM that are used to send information about the ignition system. This system includes the following circuits:

  • 7X Reference -The CKP sensor generates a signal to the ICM, resulting in a reference pulse which is sent to the PCM. The PCM uses this signal to determine crankshaft position, engine speed and injector pulse width. The engine will not start or run if this circuit is open or grounded.

  • Reference low-This wire is grounded through the module and insures that the ground circuit has no voltage drop between the ICM and the PCM which may affect engine performance.

  • Ignition control 1 & 2 -The PCM sends the Ignition Control (IC) pulses to the ICM on these circuits. These signals are similar to the 7X reference pulse except that the PCM uses sensor inputs to determine the pulse timing to control spark advance. When the PCM receives the 7X signal, it will determine which pair of cylinders will be fired. (1-4 or 2-3). It will tell the ICM which cylinder pair will be fired.

Expert:  Mike S. replied 11 months ago.

The firing order for the vin 4 2.2l is supposed to be 1-3-4-2.

Expert:  Mike S. replied 11 months ago.

Are the ignition coils at the side of the engine or at the rear of the engine cause I am seeing 2 different ones.

Customer: replied 11 months ago.
ok gotta study that one:-)
Expert:  Mike S. replied 11 months ago.

From standing directly in front of the car looking back at the engine the #1 cylinder on passenger side and going the 2,3 then 4 on the drivers side, looking at the coil wires, in what order are they from front to back?

You may have them backwards!

Customer: replied 11 months ago.
Is That All That I need to Know pertaining to starting? ( sorry if that doesnt sound right:)
Customer: replied 11 months ago.
at the side
Expert:  Mike S. replied 11 months ago.

You must answer my question, I have moved on.

Expert:  Mike S. replied 11 months ago.

Ok, now in what order are they?

Expert:  Mike S. replied 11 months ago.

Are you looking?

Customer: replied 11 months ago.
nothing was done when it first quit
Customer: replied 11 months ago.
yea 1342
Expert:  Mike S. replied 11 months ago.

From front to back or back to front?

Expert:  Mike S. replied 11 months ago.

Either way is wrong though.

Customer: replied 11 months ago.
from the front
Customer: replied 11 months ago.
which way is right?
Expert:  Mike S. replied 11 months ago.

2314

Expert:  Mike S. replied 11 months ago.

Like this,

Customer: replied 11 months ago.
im sorry thats what i meant
Expert:  Mike S. replied 11 months ago.

Wait a minute. That diagram don't look right.

Expert:  Mike S. replied 11 months ago.

What?

Customer: replied 11 months ago.
thanx fo diagram
Customer: replied 11 months ago.
07 January 2016 12:00
thanx for diagram
Expert:  Mike S. replied 11 months ago.

is this the base, ls, rs or z24?

Customer: replied 11 months ago.
yea coil pack is on right side
Customer: replied 11 months ago.
dont know , what base
Expert:  Mike S. replied 11 months ago.

Coil pack in the back of the engine when standing in front of the car, correct?

Expert:  Mike S. replied 11 months ago.

Not like this,

Expert:  Mike S. replied 11 months ago.

See the difference?

Customer: replied 11 months ago.
thats it exactly
Expert:  Mike S. replied 11 months ago.

I am getting it as 2,3,4,1 from front to back, because if you look at the first diagram with the coils in the back they have 1 and 4 numbered wrong or coil4 going to cylinder 1 and coil 1 going to cylinder 4. It's no wonder with mistakes like this in the repair manual that people get confused.

Customer: replied 11 months ago.
yea thanx
Expert:  Mike S. replied 11 months ago.

Well, then that has to be it, the wrong firing order.

Expert:  Mike S. replied 11 months ago.

Let me know if it starts now when getting the firing order correct.

Customer: replied 11 months ago.
ok
Customer: replied 11 months ago.
i had it wired right i just read the order from rear to front, nothing has changed.
Expert:  Mike S. replied 11 months ago.

So what is yours from rear to front then?

Expert:  Mike S. replied 11 months ago.

It's wrong, you said "2,3,1,4 and yea 1342 from the front" Then you said you were reading back to front. So that would mean either 4132 or 2431. All are wrong.

It should be 1,4,3,2 from back to front.

Expert:  Mike S. replied 11 months ago.

Get it now?

Customer: replied 11 months ago.
ok , i appreciate the info u sent. if you have more icm info that u can upload , that i can bang my head on ples do. gonna go head and pay u for this session. thanx
Expert:  Mike S. replied 11 months ago.

I still think it's a firing order problem.

Customer: replied 11 months ago.
ok ,when I get some of this work out , im gonna get back on this one . Were good.
Expert:  Mike S. replied 11 months ago.

Don't forget to rate me well so I get credit.

Customer: replied 11 months ago.
sure, i appreciate what you done
Expert:  Mike S. replied 11 months ago.

You are welcome.

Expert:  Mike S. replied 11 months ago.

Have you figured out how to rate me or are you waiting for me?

Expert:  Mike S. replied 11 months ago.

JustAnswer® is not a free service. I work hard to make sure you're satisfied with my service and I only get credit for my answers based on your rating. Once you're satisfied, please leave a positive rating.