Quick history: Car recently overheated due to a bad thermostat. Got very hot and melted the radiator cap & neck. All those parts were replaced & the car ran OK for a while. With a scanner, short-term fuel trim was being pulled back around 20 or so percent, meaning the car was running rich. Then, the car died.

Has spark, fuel pressure/flow OK, main relay OK, fuses OK. No tach response while cranking but scanner shows about 300rpms cranking.

I removed the spark plugs after cranking several times, only to notice NO fuel residue on the spark plugs. I don't have access to a noid light to test if the computer is grounding the fuel injectors, but I'm going to assume it is not, due to no fuel on the spark plugs.

Which sensor on the Accord determines fuel injection? The one in the distributor or the one under the timing cover? Does anyone know the OHM spec of these sensors? The two under the timing cover are checking in at a little over 2000 ohms.

Other than a dead sensor, has anyone had a dead ECM?

Thanks!


Modified by CBR at 8:17 AM 4/29/2007


Modified by CBR at 8:19 AM 4/29/2007


Modified by CBR at 3:05 PM 4/29/2007

 

So here's an update, since no one here yet has replied or knows the answer to my questions:

I found my Snap-on test light & used that to verify that the injectors were being grounded by the ECM, and it wasn't. Found a good working ECM and put that in, now we have fuel, but still, then engine cranks and sputters & floods. BUT, after cranking for several minutes I noticed that pressure was building up inside the cooling system.

So.....if you know your engines, mine is shot now. If I'm lucky, I'll get away with just needing a head gasket.

 

I don't understand why your engine is shot, did you check the compression? How did you determine that pressure was building up inside the cooling system? Bubbles? Some more info would be appreciated

 

you probably warped the head or worse.. i've never heard of the radiator neck melting

 

Now that you mention it, I've never heard of that either. Did you have a metal/aluminum radiator cap? And it melted?? Water can only get so hot and I've never heard of water (in other applications yes, in a radiator no) getting so hot that it melts the cap. More info please

 

Compression was checked, 180-190 psi.

Update: Cylinder head was removed, found warped cylinder head/shot head gaskest. Sent out cyl. head to have is resurfaced. Replaced cyl. head gasket, now car runs great.

 

i have a 96 accord it has a cold air intake im running to rich the car came from cal. i live in utah can some one help me

 

that happen to me before