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03-27-2006, 10:47 AM
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#1
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Join Date: Sep 2004
Location: Haledon, NJ
Posts: 5,162
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TPI fuel issue
replaced fuel pump relay, fuel pump, ignition module, checked fuses and still nothing. Everything else works fine, just no priming when I turn the key. Any other ideas?
~Ted
__________________
1989 IROC-Z 355 LT1 T56 Swapped
2016 Chevy Colorado LT 3.6 v6
2008 Jeep Grand Cherokee Laredo 4.7L RIP 12/29/2016
1998 Honda CBR 600F3
2003 Yamaha FX140
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03-27-2006, 11:52 AM
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#2
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Join Date: Aug 2004
Location: North Jersey
Posts: 3,047
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Maybe the VATS is messed up? Did you try another key?
__________________
Seeya,
Steve R. in North Jersey
'16 Go-Mango Dodge Charger R/T. It's so good to be back in a V8-powered, RWD car!
Former Toy - '88 Monte SS - had lots of mods...
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03-27-2006, 11:56 AM
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#3
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Join Date: Sep 2004
Location: Haledon, NJ
Posts: 5,162
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hmm, I actually used one key before I put the new relay in, and then today I used a different key with the new relay in. But I think if VATS was causing it it wouldn't even crank.
~Ted
__________________
1989 IROC-Z 355 LT1 T56 Swapped
2016 Chevy Colorado LT 3.6 v6
2008 Jeep Grand Cherokee Laredo 4.7L RIP 12/29/2016
1998 Honda CBR 600F3
2003 Yamaha FX140
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03-27-2006, 12:39 PM
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#4
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Stalker
Join Date: Aug 2004
Posts: 12,080
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it would crank, the starter is seperate from the VATS, just the computer would not activate the fuel/spark system i believe
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03-27-2006, 12:51 PM
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#5
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Join Date: Sep 2004
Location: Haledon, NJ
Posts: 5,162
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hmm, I'll have to check my VATS wire going into the ignition. Months back the VATS took a **** and a replacment was I think 100-200 bucks. So I got the ohms off the chip on the key and bought a resistor that matched it, soldered it in line and it worked. It has come undone before. Though, I did have spark...
~Ted
__________________
1989 IROC-Z 355 LT1 T56 Swapped
2016 Chevy Colorado LT 3.6 v6
2008 Jeep Grand Cherokee Laredo 4.7L RIP 12/29/2016
1998 Honda CBR 600F3
2003 Yamaha FX140
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03-29-2006, 10:01 AM
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#6
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Join Date: Sep 2004
Location: Haledon, NJ
Posts: 5,162
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ok, VATS is out of the question, everything is fine there. However, I did notice that now my fuel pump fuse keeps blowing. I also noticed my connection for the alternator came off, which makes sense why when the car broke down I lost volts. If that wire coming off the alternator touched metal (which I'm sure it did), could that cause a short and fry something? I only question that because it's not a hot lead. I traced around wires from that fuse and don't see anything visible that would cause a short. At least my problems are narrowed 
~Ted
__________________
1989 IROC-Z 355 LT1 T56 Swapped
2016 Chevy Colorado LT 3.6 v6
2008 Jeep Grand Cherokee Laredo 4.7L RIP 12/29/2016
1998 Honda CBR 600F3
2003 Yamaha FX140
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03-29-2006, 10:28 AM
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#7
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Join Date: Sep 2004
Location: Wayne, NJ
Posts: 2,131
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solution.....buy my IROC and transplant....
__________________
STROKIN' IT SINCE 09/03/06
2008 G8 GT Ignition Orange - New Era OTR intake, PM-FL Axle Back, SuperChips Cortex Tune
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03-29-2006, 10:51 AM
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#8
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Join Date: Nov 2004
Posts: 3,530
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yes the altenator wire would do that!!!! My shorties burned through all of the wires going to the starter but it did not blow a fuse but it rater blew the fusible links, go to autozone and buy the fusible link wire and replace the fuseble links with the wire.
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03-29-2006, 11:18 AM
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#9
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Join Date: Sep 2004
Location: Haledon, NJ
Posts: 5,162
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I had the same thing with my shorties and the starter wire, but the wire off the alternator and that junction have no fusable links.
~Ted
__________________
1989 IROC-Z 355 LT1 T56 Swapped
2016 Chevy Colorado LT 3.6 v6
2008 Jeep Grand Cherokee Laredo 4.7L RIP 12/29/2016
1998 Honda CBR 600F3
2003 Yamaha FX140
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04-01-2006, 01:53 AM
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#10
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Join Date: Sep 2004
Location: Haledon, NJ
Posts: 5,162
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UPDATE!!
Tried a new relay, made sure no wires were oil soaked and/or exposed. Go to start and the fuse would blow. I went underneath and unplugged the fuel pump from the connector located under the car next to the tank. Went to start and the fuse didn't blow. I'm thinking a faulty fuel pump. I e-mailed the company about sending it back for a replacement and in the eman time I'm going to drop the tank again and pull the pump out and check everything. Probably bench test it too.
~Ted
__________________
1989 IROC-Z 355 LT1 T56 Swapped
2016 Chevy Colorado LT 3.6 v6
2008 Jeep Grand Cherokee Laredo 4.7L RIP 12/29/2016
1998 Honda CBR 600F3
2003 Yamaha FX140
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