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Porsche 944 not starting checked dme has fuel checked coil is ok can't see spark tho however if the car is bump started it runs spot on

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  • Cars & Trucks Master
  • 42,042 Answers

Have a load test done on the battery as this is an indication of a bad cell ( not enough current to spin starter and supply the ignition system.) Check battery terminals and posts are shiny clean and tight.

Posted on Apr 12, 2014

  • John king Apr 12, 2014

    Had a brand new battery fitted same issue
    Thanks John

  • Bill Boyd Apr 12, 2014

    Then that leaves a relay if it has one or a bad starter motor

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Posted on Jan 02, 2017

  • 215 Answers

SOURCE: 1983 porsche 944 runs for 10-15 min then stalls

get an alternator test

Posted on Feb 21, 2010

  • 3 Answers

SOURCE: 1983 porsche 944 starts and runs fine for a couple

could be just a sencor on the way out

Posted on Apr 06, 2010

  • 34 Answers

SOURCE: '84 porsche 944 cranks, chokes and dies

check your air filter sounds like it is starved for air possibly

Posted on Apr 06, 2010

  • 189 Answers

SOURCE: 1983 porsche 944 car sometimes car sends signal to

could be the oil pressure switch or a computer ground problem

Posted on Apr 14, 2010

rickyrt441
  • 4399 Answers

SOURCE: No spark on 84 944 porsche new plugs wires cap

It is not hard to change. They are usually located on the bottom back of the engine. I have had cars that didn't spark and the crank solved everything. Others, it didn't work. Don't know why, guess it all depends on the computer reading it all. Your ECM controls all the ignition comonents and timing. Have you tried putting in another? Sometimes, if it doesn't read the crank, it will shut down the spark. Some do, some don't. Can't be 100% sure but it has worked before. I usually tell people to go to a junkyard when they have no spark and have been trying to fix it for some time. Get all the parts you need for cheap. A bad cam sensor can cause no spark and the distributor itself.

Posted on Feb 10, 2011

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84 porsche 944 replaced new spark plugs and wires,cap,rotor,coil,emc,DME relay,fuel pump, reference speed sensors, new battery, and still no start. Any suggestions is what to do next?


Not much left unchanged is there and no doubt you have done compression testing on all 4 cylinders as well. (If not you need to). I assume it is cranking over normally with the starter motor but not firing.

I would try one of the Porsche Owners Forums for this as one of the other 944 owners there should be able to help..... Like this one..................

Porsche 924 944 968 Technical Forum Pelican Parts Technical BBS

Jan 24, 2016 | Porsche Cars & Trucks

1 Answer

Cranks over. But wont start.


Pull the injectors and have them tested for electronic continuity and spray pattern as the needle may be rusted up or the coils in the injectors corroded away for the long period of no use. Regardless of what engine you have if you have spark at the correct time --compression --fuel then you must have go in the engine . Continuing to run will depend on the make and design as the other variables come into play.

Nov 16, 2013 | 1986 Porsche 944

1 Answer

1986 porche 944 turbo has no spark coil is fine and ran a jumper wire from the battery to the coil still didnt get any spark


hello there
it is possible that you need DME control relay.It costs about 20$

proporsche

Feb 18, 2013 | 1986 Porsche 944

1 Answer

1985 Porsche 944 Engine cuts off for split mili seconds.


check in the truck area where fuel pump relays and wires are.something is loose look at fuel pump relays and fuses see if they all the way in place.

Apr 12, 2009 | 1991 Porsche 944

2 Answers

Car wont start .


You will not be able to hear the fuel pump on that model. First you have to determine if you get fuel and have spark. If it is a fuel problem, replace the DME relay first. Very common. They act up and fail without warning. Part is cheap and located in the fuse box. Next would be the fuel pump.
If it is spark related it may be the Flywheel Reference Sensors. There are two and the cost about $100 each.

Good Luck.

Jan 10, 2009 | 1987 Porsche 944

2 Answers

No spark, no start


This is an easy one! :-) You have a bad solder joint in the DME relay, it controls power to the injectors and coil. Replace the relay or have a talented person resolder the pc board inside it. Probably best to replace.
Dave

Dec 07, 2008 | 1984 Porsche 944

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