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Does fuel pressure regulator have a check valve?

9 messages,  Last post on Apr 14, 2009 at 4:54 PM

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#5 of 9 Re: [danbeck] by dtownfb Jul 01, 2008 (8:56 am)
Replying to: danbeck (Jul 01, 2008 2:42 am) I've never seen an ignition switch cause so many problems. For a while I thought my issue was fuel related as well. Then I thought the crankshaft position sensor was going bad. It never threw a code which made me focus on the ignition switch. Eventually it was taking me 10-15 tries to get the car started.   Let's hope all stays well with your car.
#6 of 9 by danbeck Jul 01, 2008 (11:39 am)
The shop didnt find a thing wrong on diagnostics and of course it didnt fail today either so I'm plainly out $100. Im going to replace the ignition switch and have the instructions you had posted on the process ! Did you need to replace the cylinder also or just the switch. What should I look for on the cylinder that may show it needs replacement and also is anything evident on the switch indicating it is faulty? Did you order yours online ? Wheres a good source ? Any other information you can provide on the replacement I am sure grateful for ! Dan Replies to this message: dtownfb (Jul 02, 2008 9:55 am)
#7 of 9 Re: [danbeck] by dtownfb Jul 02, 2008 (9:55 am)
Replying to: danbeck (Jul 01, 2008 11:39 am) You re-use the tumbler in the new switch. You can try cleaning the electrical contact on the outside. Use electrical connector cleaner. they sell it at auto part stores. Mine were fine but others had reported that simply cleaning the contacts worked for them. they also reported that the contacts looked dirty with "residue". After cleaning the contacts, you can try starting it to see if it works (re-connect the negative cable and the connectors) and return the new switch. If it doesn't work, you have the new switch there. Also test that as well. I also tried spraying WD-40 into the tumbler but didn't work.   My ignition switch was made by Standard. I bought it from Federated Auto parts (cost just over $100). You can do online (www.rockauto.com or www.gmpartsdirect.com), but I needed the switch that day since I was leaving town the next morning. There are cheaper ones at Auto Zone and Advance Auto parts. The guy at Federated said that he could order me a cheaper ones but they were flimsier. Who knows? The price I paid at Federated was cheaper then at Advance Auto Parts.   The worst part about the entire process was getting the switch from behind the dashboard into the open (the last steps) and putting the switch back into the dash. You can't see well and it is tight quarters. It may have more to do with my big hands. Pay attention to the directions. The person who provided these directions did a nice job on commentary. I would also use this opportunity to replace any instrument cluster bulbs that may have blown. When you remove the instrument cluster, push it in (slightly) and pull the bottom out first. And don't forget the steering wheel tilts.   It will take you about an hour and a half to do it. I had to do it twice (this is part of the reason I had to buy at an auto part store).   Good luck and I hope this works. I think the fact that you did have a diagnostic done and nothing was found leads you to the ignition switch. The only other thing it could be is a bad battery connection but that would show up in other areas.
#8 of 9 Car starting problems by near_2water Apr 13, 2009 (1:46 pm)
I have an 03 Mitsubishi Galant that has me at my wits end, i've been working on it for two weeks now and replaced the fuel pump, fuel filter and checked the fuel lines but I still can't get the car to start. I'm beggining to wonder if it has something to do with the ignition switch, will the car still try to start if the switch is faulty? Replies to this message: dtownfb (Apr 14, 2009 4:54 pm)
#9 of 9 Re: Car starting problems [near_2water] by dtownfb Apr 14, 2009 (4:54 pm)
Replying to: near_2water (Apr 13, 2009 1:46 pm) Not familiar with the Galant but the only thing you have left to check in the fuel system is the fuel pressure regulator.   It depends on how bad the ignition switch is. When mine went bad, whenever I turned the key, the lights (radio, "check engine", etc.) would light like normal but nothing would happen. this could happen 2 or 3 times, sometimes 12 to 15 times before it finally started. I also had a couple of incidents when the car stalled while driving. Also had a time when the "security" light flashed on and the car stalled.

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