kyporsche87

Engine just quit went around a curve and it died. Ok I have replaced the dme two months ago and I changed the dme relay and fuse all at the same time. It has been running great went around a curve at about 10 mph and it just died flat no sputtering or nothing. I was able to push it to a parking place so thats is where it sits now. I have a little over 1/4 of a tank and just in case I put a another gallon in. It just cranks cranks cranks it sounds good when it does as in no funky sound while cranking but,won't start. Any thoughts not sure what it is maybe fire or fuel. where should I start ? Thanks a bunch. 87 944 n/a 5 speed This just happened at 3 pm today Fri 6-13-08

blown 944

check reference sensor connections, That and fuel pressure.

Is the tach bouncing when cranking if not it is the reference sensors most likely

also search is good but I'm being nice

kyporsche87

Thanks and keep the ideas coming

joonas

http://www.clarks-garage.com/shop-manual/ts-01.htm

jmd_forest

Check the viewport at the front of your cam cover and make sure you haven't stripped or broken a timing belt. Other than that, check for spark by removing each spark plug wire one by one from its associated spark plug, insert a spare spark plug into the wire, ground the spare plug against the engine block, and look for spark as someone else cranks over the engine. ALL plugs must have spark. Second, after cranking over the engine a few times, crack the big nut at the front of the fuel rail a few turns and fuel should spurt out under high pressure. if it does not, you have fuel delivery problems. Once you narrow your problem down to fuel or spark, further diagnosis and repairs will be within reach.

jmd_forest

Van

I vote for the timing belt...

kyporsche87

Ok, let me give an update the temp was low 90's and around 2:30 I had been driving it around for about 30 min stopped ran in to the store for about 20-30 min came back started drove about one mile turned in to grab a bite to eat it died as I made my turn just like I turned my key off no sputter just died.time 3:15pm. So I went in ate came out about 4:15 tried crank crank crank. Went home came back about 5:45 tried I checked the reference sensor connections like 3 times.nothing but cranking.6pm called tow truck they came about 7pm. Got it home rolled it off the rollback toched nothing started right up. Help i'm clueless

trivgar

Reference sensors. Not the sensors but where they plug into the wiring harness. Take one of the plugs and pull the rubber boot back off the plug and tell me how many of the 3 wires are broken.

joonas

Did your tachometer needle jump when engine did not start. If reference sensor is bad then needle would not jump. Info about reference sensors http://www.clarks-garage.com/shop-manual/ign-02.htm

If the needle jumps check if the engine gets fuel and spark.

dillon410021

sounds like fuse # 7 (dfe fuse)
try this

jmd_forest

Since the car restarted, you can skip the timing belt check. However, determining if it is a fuel or spark issue will go a long way to resolving the problem. That being said, the symptoms suggest DME relay or bad ref/speed sensor connections. Replace the DME relay... if that is not the problem, you'll have a spare for when it IS, its cheap and easy insurance for about $30. Check the ref/speed sensor connections as trivgar mentioned, they're another likely possibility. Third reasonable possibility is the DME itself. There was a recent thread on repairing cracked solder joints that you might want to search for.

jmd_forest

Calmchaos

sounds like your speed and ref sensors are shorting somewhere.