Long time till car starts. Take about 10-15 sec to start

sadc · Apr 10, 2009

So every cold start that I usally do, ends up with me cranking the car for about 10-15 seconds and then it cranks over and starts. When it finally starts I smell gas fumes and see white smoke. So I know there's unburnt fuel there. And also I know that im at least having fuel when starting. I changed the spark plugs, wires, alternator. ETC. With hot starts It usally just cranks like 2-3(just like a normal car)times and it starts. I dont have the fuel pressure solonoid. But I dont think that should have a difference with starting. What can it be?

DSMsamurai666 · Apr 10, 2009

Mine has a similar problem. It's most likely a fuel trim issue. The car is running too lean at crank so after cranking for a while, enough unburned fuel winds up in the cyliners for it to start. At least that's what I think becuase I installed a GM MAF translator on mine and it has a setting that richens the fuel trim for the first few minutes of running and it made a huge difference.

IEdroStarI · Apr 10, 2009

mine had a similar problem but i found out it was the coolant temp sensor.... every morning used to be a pain in the ass to start the car

sadc · Apr 10, 2009

How did you find out that it was your coolant temp sensor

stevew1 · Apr 10, 2009

Try replacing the O-ring on your fuel pump.

david-b · Apr 10, 2009

sadc said:
How did you find out that it was your coolant temp sensor

There's a way to check the resistance using an ohm meter. I don't have a manual here with me but it's not hard.

sadc · Apr 10, 2009

funny story Steve. So everytime I work on my fuel pump. Ie replacing stuff. And I put everthing back. I go and start my car, from a cold start. And it starts right up! But only stays like that for maybe about 3-7 days. Then goes back, like how it is now

sadc · Apr 10, 2009

oh yea my psi on the fuel when its running it 42-43. And when I turn it off. It goes down to uhmmmm 40-38 psi. And gradually goes down

stevew1 · Apr 10, 2009

It really sounds like the o-ring is worn/cracked to me. This is taken from the vfaq on fuel pump install:

"Be careful when putting the pump up into the fuel feed line - the rubber O-ring should be lubed with some grease, oil, or spit (hey, it works) so that the O-ring slips easily into the feed line. If it does not, the O-ring can kink or tear, and the car will be hard to start after sitting a few minutes, as the kinked/torn O-ring will allow the fuel to bleed out of the feed lines. The symptom will be that the car will take several seconds to start after sitting more than a minute or 2, but starts right up if you turn it off and then immediately start it back up."

The symptoms he describes of a worn o ring sounds just like yours. When you replaced it, was it new? Did you lube it up before reconnecting to the fuel line?

DSM1G90 · Apr 10, 2009

I had a dumb vacuum leak at the nipple fitting on the throttle housing. Small tubing coming from the evap canister was cracked - 1/2" slit under the spring clamp.

Cut the bad off and that took care of my 15 sec attempted starts.

-DSM

sadc · Apr 10, 2009

stevew1 said:
It really sounds like the o-ring is worn/cracked to me. This is taken from the vfaq on fuel pump install:

"Be careful when putting the pump up into the fuel feed line - the rubber O-ring should be lubed with some grease, oil, or spit (hey, it works) so that the O-ring slips easily into the feed line. If it does not, the O-ring can kink or tear, and the car will be hard to start after sitting a few minutes, as the kinked/torn O-ring will allow the fuel to bleed out of the feed lines. The symptom will be that the car will take several seconds to start after sitting more than a minute or 2, but starts right up if you turn it off and then immediately start it back up."

The symptoms he describes of a worn o ring sounds just like yours. When you replaced it, was it new? Did you lube it up before reconnecting to the fuel line?

yea it was new. And it still had the problem. See mines is where even if I leave it for 2 mins and try starting it again. It will start right up. But maybe say, 3-4 hours of it not starting. The problem will happen again

Mrdrd_Laser · Apr 10, 2009

My coolant temp sensor went bad and the same thing happened to me. I just grounded the two wires that went to the sensor and it worked fine

sadc · Apr 15, 2009

Which sensor you guys talking about now? The one in the front? That has the one clip on it already.

You must be logged in to view this image or video.

PIMking · Apr 16, 2009

your pic is broken.

jrohner · Apr 16, 2009

sadc said:
How did you find out that it was your coolant temp sensor

If you have a logger, look at the coolant temp; if it's an unrealistic number then the sensor is bad.

sadc · Apr 16, 2009

i dont have a logger yet(evoscan) heres a pic

You must be logged in to view this image or video.

sadc · Apr 16, 2009

If it is the one on the bottom...All you say I have to do is ground the clip correct?

RayBan GST · Apr 16, 2009

yeah thats the sensor , try to check it with a meter if its functioning

the one with the clip is for the temp gauge inside the car

your problem happened to me before and it turned out to be my CRANK PULLEY

have you checked yours? do check it and let us know

good luck

sadc · Apr 16, 2009

oh so. So the bigger one is the sensor?

RayBan GST · Apr 16, 2009

yes the bigger one is the sensor

have you checked your CRANK PULLEY ?, check if the Rubber is still on

good luck

RayBan GST · Apr 16, 2009

http://www.dsmtuners.com/forums/art...7-2g-engine-bay-electrical-connections-2.html

above the link to everything and yes the one with a circle on it is the sensor , sorry maybe i was not clear

again check your crank pulley

RayBan GST · Apr 16, 2009

lotfy please do not give wrong informaiton , the one with the clip is the gauge unit

Lofty · Apr 16, 2009

RayBan GST said:
lotfy please do not give wrong informaiton , the one with the clip is the gauge unit

My mistake, I thought that's what he was asking.

Woops, it's late..

Sorry

sadc · Apr 16, 2009

so I just ground both wires? the blk/wht and blk?

RayBan GST · Apr 16, 2009

yes you ground those wires ( this will not fix the problem for good)

but then again have you checked your crank pulley ?

The Top DSM Community on the Web

Long time till car starts. Take about 10-15 sec to start

sadc

DSMsamurai666

IEdroStarI

sadc

stevew1

david-b

sadc

sadc

stevew1

DSM1G90

sadc

Mrdrd_Laser

sadc

PIMking

jrohner

sadc

sadc

RayBan GST

sadc

RayBan GST

RayBan GST

RayBan GST

Lofty

sadc

RayBan GST

Similar threads

Latest posts

Build Thread Updates

Vendor Updates

Latest Classifieds