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Sorry been out on vacation. Just did a fuel pressure check. 8 psi at crank, 18 with jumper wire, ran like crap at 20 psi, then the pump started working "good" and pressure went to 55, and car ran fine. Ordering a new pump now. JFP thanks for your help.
Just now tried the "indy" recommended immobilizer reset. Crank but no start. So I put the jumper wire in to bypass the fuel pump relay and after several seconds of sounding like it might start it finally did ( 2 turns to start with about 4 seconds of crank over time). I then brought it to a smooth idle and while it was running I pulled the jumper out and installed the relay. It didn't stall and it's in the drive right now running. Help? Thank you for any suggestions.
JFP, unfortunately I don't have that data. The other day I got it started with the jumper wire, while it was at idle I pulled out the jumper wire, expecting a quick stall, but the car ran for 5-6 seconds before starving of fuel. Not sure if this info helps. Thanks for your time and input.
Hi guys, I have a 2003 Boxster 2.7 that has starting issues. I can get it to start by bypassing the fuel pump relay with a jump wire, but it doesn't seem to run right when I do. Relay is good, MAF sensor new, fuel pump new last year but it's not a genuine Porsche part. CPS sensor good. When it does start after a long crank time it slowly coughs and stumbles to life, but then runs fine. No codes. Indy thinks it might be immobilizer. Last week it started fine for about 4 starts. I'm stumped. Thank you for any help. Garrett.