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Old 04-21-2007, 02:20 AM   #1
jeffg
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2001 WRX (GC8)

Default 03 EJ205 into 01RS. No start help

I so didnt want to be this guy. I was so hoping that my swap would start right up the first time. Alas... here I am.

Facts:
2003 USDM WRX EJ205
2001 RS tranny
Zephyr modified harness

Observations:
Fuel Pump primes when turn ignition on
Engine cranks when turning they key
Engine no start
Cobb AP V.1 will not connect to ECU (just testing)

Can anyone give me any hints at areas to look? I have the FSM and will start the no start trouble shoot tomorrow.

Thanks in advance and hopefully this will be a short thread.

Jeff
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Old 04-21-2007, 02:36 AM   #2
jeffg
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Verified ECU has power at ignition on, and backup power at all times.
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Old 04-21-2007, 01:43 PM   #3
RS_to_WRX_swap
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If you payed for zephyr's services, then you should be contacting him.

Have you scanned for codes? Pull out the multimeter and check every sensor. You are close if its cranking, i bet you just have a loose, or an unplugged connection. check the crank and cam sensors first.
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Old 04-21-2007, 03:01 PM   #4
jeffg
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Okay, so first off thanks everyone for the ideas and posts. I went through the entire FSM no start and everything was correct. So if the car is right, then I must be an idiot.. and guess what I am. I had the fuel lines backwards. I knew which one was the feed and which was the return and I still put them on backwards...

Anyway, it started and I do have codes, which I expected since the motor isnt stock, but the ECU is.

Anyway, thanks everyone for the help.

J
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Old 04-21-2007, 03:37 PM   #5
sidewayz
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ahhh the old pumping air into the injectors trick

haha, I hate those fuel lines. glad you got her running. Let me guess, its throwing evap codes??
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Old 04-21-2007, 05:40 PM   #6
Jaxx
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tried to call you do you have a way to pull codes?
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Old 04-21-2007, 06:07 PM   #7
jeffg
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It is throwing p0301 and P0300 which looks like Cylinder 1 misfire codes. I only get them at idle though.

Any hints on that one?
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Old 04-21-2007, 09:01 PM   #8
Jaxx
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get rid of uber light weight pullies

iirc you have lightened pullies +flywheel which on a 205 will throw misfire codes
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Old 04-21-2007, 09:18 PM   #9
jeffg
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nod, thats pretty much what I figured. It only seems to happen at idle, so it shouldnt be a big deal.
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Old 04-22-2007, 12:09 AM   #10
Zephyr
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Glad to hear it's running Jeff. Unfortunately I too have made that mistake with the fuel lines. I always make sure that I have a reference car available or I label them. Unlike the electrical system where every plug is shaped differently the fuel lines are not so it is rather easy to put them on backwards when you're tired.

I'll agree with what others are saying regarding the codes although I will also point out that if it is a very early 02 ecu they were very sensitive and tended to throw the codes.

Welcome to the swapped RS club.
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Old 04-22-2007, 12:22 AM   #11
jeffg
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Thanks guys. The ECU is a 2003, so I dont think its too early, but I agree the misfires are probably from the light flywheel and the pulleys. All of that stuff got carried over from my RS, so teh flywheel is like 9 lbs and the pulleys are teh GFB 3 piece kit.
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Old 04-22-2007, 12:45 AM   #12
vinceGC8
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flywheel is too light. anything below 11lbs is pushing it. and you have lightweight pulleys.

glad you figured out ur starting problem
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Old 04-22-2007, 08:11 AM   #13
Zephyr
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Quote:
Originally Posted by vinceGC8 View Post
flywheel is too light. anything below 11lbs is pushing it. and you have lightweight pulleys.
I'm not sure that that is a true statement. I've been running a 9.5 pound Fidenza since I did my swap in early 2004 and have had no issues.

The combination of lightweight pullies and flywheel I'll agree and know for a fact do not work well in the keeping the ecu happy department.
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Old 04-22-2007, 12:17 PM   #14
jeffg
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I have the stock pulleys so maybe I will try putting them back on and see if the problem goes away. Is the issue that the heavy pulleys dampen some harmonic that confuses the crank position sensor?
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Old 04-22-2007, 11:45 PM   #15
Jaxx
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i think its just that the crank responds faster than the ecu expects thus throws a code
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Old 04-25-2007, 06:31 AM   #16
ex25rs
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I'm looking to do the same thing, but out of necessity.
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Old 04-25-2007, 09:43 AM   #17
Jaxx
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jeff's was put of necessity too -head gasget .. that said it took almost 2 years :P
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Old 04-25-2007, 11:09 AM   #18
Matt Monson
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I never thought I would see the day that Jeff was running a swap. Another of the NA old guard bites the dust. RIP...

But congrats on the new life. If it's any consolation, I too reversed those fuel lines, once. I was tired and had been at it for many hours over two days. It happens to the best of us.

Though my all time Swap-No-Start bonehead move was not bolting the SMJ together. That took a ridiculous 2 hours+ of troubleshooting to figure out. It's such a kick in the arse to do a swap 100% correct and then not have it start because you couldn't plug in a single plug correctly...
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Old 04-25-2007, 11:46 AM   #19
jeffg
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HA. yeah that SMJ thing had me stumped for a while to. And a missing ground on the passanger side of the dash. I thought I did pretty good for the swap taking as long as it did. Its hard to remember where everything goes over that much time.

As for the NA versus FI thing, I would have loved to keep going NA, but doing so would have required something like the EZ30R swap and I just couldnt afford it. The WRX salvage I got fell into my hands and was way to cheap to pass up. Basically I ended up coming out ahead on the whole deal by a few hundred dollars. Call me a whore I guess
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Old 04-25-2007, 11:50 AM   #20
Matt Monson
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whore. Do you like it dirty like that?
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Old 04-25-2007, 03:26 PM   #21
jeffg
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My car is filthy...
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Old 04-25-2007, 03:40 PM   #22
Matt Monson
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So are mine. They only get washed when it rains...
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Old 04-27-2007, 12:21 AM   #23
jeffg
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So I put the stock pulleys back on tonight, and I still have the flashing CEL. The interesting thing is it is not storing a code. I used the AP to pull codes both before, during and after running the car and even though the CEL flashes, there are no stored codes.

I also put a stage 1 91 octane base map back on.

Anything else I should check before I haul it off to the subaru mechanic?

J
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Old 04-27-2007, 10:15 AM   #24
Jaxx
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you might pull the timing covers and make sure the timing belt hasn't slipped that might cause a misfire too
what plugs do you have in there?
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Old 04-27-2007, 11:41 AM   #25
jeffg
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It finally threw a code on the way to work today. P0301 and P0303. Misfires on Cylinder 1 and 3. It actually does run a little rough, so it might be an honest misfire. I figured I would pull the coils and plugs this weekend and make sure everything is good.

I think the plugs are good ole NGK coppers. I dont remember what heat range, I think stock.
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