Car Turns But Doesn't Start

[Raptor]

I have a good ecu you could swap in to check it with, also if you get too stumped, call Enes and have him grab it on the trailer, we can figure it out for you ;)

[Enes]

does the engine spin at all or is it just the starter that spins?

when i put the trany back in i forgot to hook up a connector on the starter, the one that tells it to actually engage...

make sure that is hooked up..

-E

[520Talon]

Don't forget to check you cam angle sensor. There are tiny wires in there that can break and leave you stuck. I had the same problem and I changed all the stuff you described and it ended up being the cam sensor. If its not working it won't tell the motor when to spark.

[SuperSleeper]

These are all good points, but keep in mind there is not a drop of fuel at the fuel filter.

Enes, yes the whole motor spins. We have juggled with it being a starter issue, but we have heard some signs of combustion, and it appears to be a fuel-related (and maybe electronics too)

Thanks Mike. I feel at this point that's probably the best way to handle this, but Jayme is understandably concerned about costs.

[john]

Timing??? Did it all of a sudden happen or was the car bought this way? I bought one that way and the timing was off. Another kid on here bought a 2g fuel pump from me ($5) having the same problem. Turned out he smashed his valves. Have you done a compression test? If I remember correctly, the laser sounded high pitched and like it didn't have much power due to loss of compression.

[niterydr]

My question still wasn't answered.
Is the ecu sending power out to the mpi relay?
Does the relay send power to the pump?
Do you have power at the pump?

[SuperSleeper]

Originally posted by niterydr@Oct 16 2004, 03:39 AM
My question still wasn't answered.
Is the ecu sending power out to the mpi relay?
Does the relay send power to the pump?
Do you have power at the pump?
The MPI and MFI relays are the same, correct? (Mulitiport Fuel Injection or just Multi Port Injection)... If so, then yes. The ECU is sending power to the relay. I detected two 12v sources in the relay's harness... one that was continuous, and one that was switched power.

As I mentioned in the first post, the fuel pump doesn't have power. We disconnected its harness in the trunk and checked with a multimeter. Nothing. But it spins when supplied direct power from the battery.

I'm gonna try to convince him to just bring it up to QPR... we lack the expertise and tools to do a proper diagnosis and repair. This is all very foreign to me.

[SuperSleeper]

Originally posted by 92tsiawd84@Oct 16 2004, 01:07 AM
Timing??? Did it all of a sudden happen or was the car bought this way?

Have you done a compression test? If I remember correctly, the laser sounded high pitched and like it didn't have much power due to loss of compression.
All of a sudden happened... and compression was tested two weeks ago. It was good enough to be driving...

[tsiawdspeed]

I think he was saying to check the compression now to see if the timing skipped a few teeth and smashed the valves.

[A//// Guy]

I would just take the cam cover off and manually see if the marks line up, first. And try another ECU....

Then take it somewhere.