Cold start issue - Focaljet

**scottszx3** · 11-10-2008, 12:14 PM

I have a 00 ZX3, runs great but if it sits for a few days even if its not cold out, just the engine is cold or should I say not ran its hard to start, it seems to want to catch and then die, take four or five times to get her going, then runs fine, if I drive it every day not problems at all? Has anyone found this problem? it almost seems like a sensor issue but I dont know which one.

Any Ideas would be great. Thanks

**G-forces** · 11-10-2008, 01:59 PM

What happens if you turn the key to "on" and wait a few seconds before you turn it over to "start"? Will it start right up that way?

**scottszx3** · 11-12-2008, 12:16 AM

I will give that a try and let you know.

Thanks

**FociRay** · 11-12-2008, 02:24 AM

I had a similar problem but mine was only when it was really cold outside the intake manifold gasket would shrink and let air in and the car would be really hard to start but once warmed up it was fine

**scottszx3** · 11-13-2008, 01:44 PM

it much better if I leave the key on for a few seconds now it starts up on the first or second turn of the key.

Thanks

**G-forces** · 11-13-2008, 01:55 PM

I think either your fuel filter is clogging or your pump or fuel control module is going. How does it run at WOT and high rpms, does it hesitate or bog?

From your answer, it seems like you have lower than normal fuel pressure, because it should pop right up when you turn the key. I can hear mine hit when the pump spins up the pressure as I turn the key. But if it runs good...

11-10-2008, 12:14 PM	#1
scottszx3 Junior Member Join Date: Apr 2008 Posts: 51	Cold start issue I have a 00 ZX3, runs great but if it sits for a few days even if its not cold out, just the engine is cold or should I say not ran its hard to start, it seems to want to catch and then die, take four or five times to get her going, then runs fine, if I drive it every day not problems at all? Has anyone found this problem? it almost seems like a sensor issue but I dont know which one. Any Ideas would be great. Thanks

11-10-2008, 01:59 PM	#2
G-forces Senior TEAM Member Join Date: Mar 2007 Location: Madison/Horicon/West Bend WI Posts: 1,182	Re: Cold start issue What happens if you turn the key to "on" and wait a few seconds before you turn it over to "start"? Will it start right up that way? __________________ Stockholm Getaway: see it on Utube.

11-12-2008, 12:16 AM	#3
scottszx3 Junior Member Join Date: Apr 2008 Posts: 51	Re: Cold start issue I will give that a try and let you know. Thanks

11-12-2008, 02:24 AM	#4
FociRay Junior Member Join Date: Oct 2008 Location: Northern VA. Posts: 58	Re: Cold start issue I had a similar problem but mine was only when it was really cold outside the intake manifold gasket would shrink and let air in and the car would be really hard to start but once warmed up it was fine __________________ 2004 Sonic Blue SVTF: AEM CAI - Optima Yellow Top - Homemade Foglight Mod :)

11-13-2008, 01:44 PM	#5
scottszx3 Junior Member Join Date: Apr 2008 Posts: 51	Re: Cold start issue it much better if I leave the key on for a few seconds now it starts up on the first or second turn of the key. Thanks

11-13-2008, 01:55 PM	#6
G-forces Senior TEAM Member Join Date: Mar 2007 Location: Madison/Horicon/West Bend WI Posts: 1,182	Re: Cold start issue I think either your fuel filter is clogging or your pump or fuel control module is going. How does it run at WOT and high rpms, does it hesitate or bog? From your answer, it seems like you have lower than normal fuel pressure, because it should pop right up when you turn the key. I can hear mine hit when the pump spins up the pressure as I turn the key. But if it runs good... __________________ Stockholm Getaway: see it on Utube.

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