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I just TT swapped my car and it started once, idled decently, as soon as i gave it a little gas the rpms dropped and car died, it hasn't started since. It just cranks and cranks.
Here's what I've checked for so far:
- Pulled CAS, twisted shaft and heard the injectors clicking, also just to make sure, i placed a long screwdriver on the injector cap and heard the injectors clicking as the car was being cranked.
- Coil pack connectors are good, getting 12v in middle terminal. Also getting 12v between terminal 1 and 2.
- Coil packs are good, they were all within .7 to .9 ohms
- Injectors all ohm out okay
- Tested the ptu with a meter and it came out good. Even put the ptu and sub harness from my car to another z and it fired right up.
- Fuel pump primes when car is put on the on position. Is there another way to make sure i'm getting fuel?
- Ive tried 3 different ecu's. I have a socketed ecu with a z1 eprom, a stock tt ecu, and a n/a ecu that was originally in the car.
- I ran the ecu for codes and 12 (MAS circuit) , 13 (coolant temp sensor), and 42 (fuel temp sensor) codes popped up, however when the car started I had the z1 ecu in, but when i ran the codes I had the stock TT ecu in. The car never started while that ecu was plugged in and its been sitting on the shelf for quite some time so i don't know if those codes are true or if they were stored in the memory from a previous car? The z1 ecu wouldn't allow me to run codes, when you turn the knob fully right and then back left the red light just stayed on the whole time, it never turned off or blinked. Only time it would turn off is when you take the car out of the on position. Weird? Is that ecu bad do you think?
- I pulled 1 spark plug and grounded it on the plenum and cranked the car. There was spark however it was barely visible. I'm not sure how well your supposed to see the spark or how big its supposed to be but this spark was tiny so i'm wondering if that has something to do with it. Also when i pulled the plug it was barely wet. Spark plugs are brand new PFR6B-11B.Any other ideas would be greatly appreciated. Thanks.
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