996 hard to start , now won't start.
03-23-2013 | 10:13 AM
#1
Thread Starter
1st Gear
Joined: Mar 2013
Posts: 1
Likes: 0
996 hard to start , now won't start.
A few weeks ago i went for a short drive to the shops & found my 996 hard to start when i tried to come home.
A week later the same thing.
Then driving down the freeway i lost power , pulled over & it started straight away. Drove to a service station and gain hard to start.
I came home and put it in the garage for 2 weeks. Now it will not start at all. but engine turns over , with all electrics working. voltage is on 12. I had the battery tested & they found it to be OK. I fully charged the battery and still will not start.
I'm hoping i can get some friendly advise on what it might be, because my alternative is getting it towed 100km to my mechanic .
Maybe i should try a new battery anyway ?
Thanks in advance.
A week later the same thing.
Then driving down the freeway i lost power , pulled over & it started straight away. Drove to a service station and gain hard to start.
I came home and put it in the garage for 2 weeks. Now it will not start at all. but engine turns over , with all electrics working. voltage is on 12. I had the battery tested & they found it to be OK. I fully charged the battery and still will not start.
I'm hoping i can get some friendly advise on what it might be, because my alternative is getting it towed 100km to my mechanic .
Maybe i should try a new battery anyway ?
Thanks in advance.
03-23-2013 | 10:05 PM
#3
Rennlist Member
Joined: Jul 2012
Posts: 7,755
Likes: 2,943
From: US
Not much info to go on here...
Does the engine turn over fast, but no hint of fire?
Does the engine turn over fast, but no hint of fire?
The adage is that a combustion engine needs three things to run... Fuel, spark, and compression. Usually you begin diagnosing crank-but-no-fire by checking these three things.
Fuel in car? Good fuel? Fuel pump fuse o.k.? Can hear fuel pump working? Fuel filter (pre-2001) clogged? Can you get a whiff of fuel smell in the exhaust pipe after cranking?
Spark is less often the culprit now that systems use a separate coil for each cylinder, as an engine will usually start and run (roughly) with a couple of cylinders down.
If your not getting compression, your pretty hosed.
Is the engine turning over, but not turning over quickly? Fuel in car? Good fuel? Fuel pump fuse o.k.? Can hear fuel pump working? Fuel filter (pre-2001) clogged? Can you get a whiff of fuel smell in the exhaust pipe after cranking?
Spark is less often the culprit now that systems use a separate coil for each cylinder, as an engine will usually start and run (roughly) with a couple of cylinders down.
If your not getting compression, your pretty hosed.
More likely the battery or battery/ground cables.
Is the engine not turning over at all? Perhaps the ignition switch (known issue on early 996's) or starter or other electrical problem.
