Question about 1998 Mitsubishi Eclipse

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N0 spark from coil.

1988 Mitsubishi Eclipse Rs 2.0 manual trans no turbo.Pulled engine to replace rear crankshaft seal.Installed engine,cranks over,has fuel pressure but no spark from coil.Check voltage to all sensor,have correct volts.Coil tested good.When putting battery cables on we grounded the pcm case with a wrench from the battery.We replaced the pcm with a new one and still no spark from the coil when the engine is cranked over.Help please.

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  • Mitsubishi Master
  • 2,200 Answers

Hi

Have you checked for power going into the coil?

Check for power at the center wire on the coil pack plug. You should be getting 12 volts, if not replace your ASD relay.

The ASD Relay provides power for the coil and other essential circuits. This relay is activated only for a couple of seconds when the key is first turned on and remains on as long as the car's computer receives a crank signal. The ASD Relay will not activate without a crank signal, and that could indicate a bad crank position sensor or if the timing belt is signifigantly off.

Also check the ignition switch at the ignition tumbler in the steering column. If the ignition wires do not show 12 volts at the RUN position of the key, then there is a problem in the wiring.

Hope this helps. Please do rate this answer. Many Thanks.

Posted on Sep 06, 2009

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Symtons of coil pak or car wont start after warming up


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I have a 1988 volvo 740 turbo with no spark. I tested the coil and it is good. with key on I am getting oscillating power. Also when the ignition is just turned to on and not cranked I can hear two...


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If you do that, you'll remove the entire bracket & be able to easily remove the rear main seal.

The seal can also be pulled out where it is if you are careful, by using a couple of sharp screws & tapping into the center of the seal, away from either edge so as not to damage the housing or the crankshaft, then pulling the seal out. I use 2 screws as a rule & predrill with a low speed drill making sure not to touch anything but the center of the "hard" area between the 2 surfaces. A bent tip on a screwdriver can also provide you with a means to pull the seal. Either works, you just have to be sure not to scratch the crank or the aluminum bracket that holds the seal.

This method eliminates the need for replacing other gaskets in that area.

Parts: Rear Main Seal (set) includes the paper seal. Consider the Trans main/input seal, you are there and the method for replacing it is very similar, pop it out & push another back in. You'll need RTV for the paper seal if you do replace it.

As far as the manual, there's more than one type & place to get them, including on-line. If you go to one of the parts stores like Autozone, they will provide you access online to vehicle specific repair info if you just take a minute to register. Pep--boys has a multitude of manuals for most vehicles.

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don't get the "Cardone ECC model 793013" . i just check it out and when you click on the " See all vehicles this product fits " link, it shows this:
-------------------------------------------------------------------------------------------------
5fcbf9f.jpg ------------------------------------------------------------------

the problem with it is that the '97 PCM will not work on a '98. the pinouts on them are slightly different. The only 2 years that are interchangable are the 98 and 99 year models.
The part number for the correct one is 5293190AC.
16f1c7b.jpg

If you get a remanned PCM that needs progamming, anyone or any shop with the correct programming tool can do it.

  • PCM (ECU) REPROGRAMMING

1995~1999 Mitsubishi Eclipse RS & GS with 2.0L non-turbo engine (Chrysler 420A engine) ECUs have been equipped with reprogrammable processors since 1995.
To reprogram Mitsubishi vehicles, you must use one of two different reprogramming tools. For the 1995~1999 Mitsubishi Eclipse RS & GS (with Chrysler 420A engine), you must use a Chrysler Flash Reprogramming Unit, MIT992000-A . Click here to order one from SPX, or call them at 1-800-533-5338.
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I would suggest just buying a used (98 or 99)PCM. Then all you have to do is unplug the old one, take out 3 bolts to remove the bracket/PCM, pull it out, 3more bolts to remove the ecu from the bracket and bolt the new one in place. Its about a 5 min. job.

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if you haven't checked the ASD relay, make sure its working.
175c874.jpg if thats okay, check the Cam Angle and Crank Angle sensors. if it isn't any of those, its probably the ECU

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