Y33 hard start

[GM991]

have had my car for a few weeks now and one thing I noticed is it doesn't start as quicky as my other fuel injected cars have.It seems to have to crack longer than am use to. The fuel filter has been changed. Fuel injection cleaner was put in at the last fill up.I thought I read something out here about this but I can find it. When I go to start the car I DON'T touch the gas peddle. Should I be holding it down a little when starting?? Or is there something wrong with the fuel system?I know most all fuel injected cars should start right up with just a few cracks. At least thats how all my other cars have worked.

thanksGM991

[maxnix]

No, it takes a couple more turns than a VH45DE for example. Don't know why.

[Q45tech]

Depends on the bleed down rate of fuel rail pressure. Mostly the temperature of valve and piston crown and the volitility and Reid vapor point of the fuel you have in tank.............how many days old it is from refinery. Every day older is a bad day...........vaporwise.

[GM991]

No, it takes a couple more turns than a VH45DE for example. Don't know why.

Sorry whats a VH45DE??

So what you are saying is it's the nature of the beast?I have owned two other Infiniti's and both started quick then this one.Made me wonder way.Also I'm guess holding down the gas a little when I go to start it will do me know good?

thanksGM991

[GM991]

Depends on the bleed down rate of fuel rail pressure. Mostly the temperature of valve and piston crown and the volitility and Reid vapor point of the fuel you have in tank.............how many days old it is from refinery. Every day older is a bad day...........vaporwise.

Interesting, but why is all this stuff only effect the way my Q starts?None of my other infiniti's or an fuel injected cars that I have owned for that matter have had this problem.

thanksGM991

[CrimsonQ]

Sorry whats a VH45DE??

So what you are saying is it's the nature of the beast?I have owned two other Infiniti's and both started quick then this one.Made me wonder way.Also I'm guess holding down the gas a little when I go to start it will do me know good?

thanksGM991

Its the engine code from a 90-96 Q45 aka G50 Chassis.

No no gas on start!

[Rex]

Infiniti published numbers*90-96 Q45 (G50) - VH45DE - 278HP/292TQ (ex.1996, the elimination of VVT lowered the numbers.)97-01 Q45 (Y33) - VH41DE - 266HP/278TQ02-up Q45 (F50) - VK45DE - 340HP/333TQ

The layout for Nissan/Inifiniti engines is letter/letter/number/number/letter/letter/letter the first 2 letters designate the engine series (i.e. VH, VH, RB, SR, KA, FJ, LB, etc) the 2 numbers designate the displacement in liters. There may be up to 4 letters after the displacement that designate the valve train type - D = DOHC, V = VVT (though it wasn't used on the VH45DE??) (SOHC, is deisgnated by no letter), followed by the fuel system - E = Fuel injected, I = Throttle Body, D = Direct Injection. The next letters would designate what type of forced induction (& quantity ) if present - T = turbo, TT = twin turbo and R = Supercharger.

*It's rumored, that there was a gentlemens agreement amongst Japanese auto manufacturers to not export passeneger vehicles with horse power "ratings" over 300 hp. The agreement seemed to dissolve during the 90's. Keep in mind these are not RWHP numbers.

Related to the initial post, can you review your start up proceudres?

(example)Enter the carPlace key in ignition, turnWait for 3 beeps of the seat belt/door warningStart carFasten seat beltLock doorsTurn on headlightsWait ~2-3 minutes.(Note: During cooler seasons >40 degrees, after starting car, I go back in house after locking door, from passeneger side, with spare key)

Sorry for the babbling, but I thought it would be beneficial t some of the newer members .

[GM991]

Its the engine code from a 90-96 Q45 aka G50 Chassis.

No no gas on start!

so the y33 has no gas at start up and thats way it seems to start hard?

[Rex]

so the y33 has no gas at start up and thats way it seems to start hard?

I think he means you should enever press the gas pedal on any fuel injected car at start up, unless trying to resovle a flooded condition.

[Q_SHIP]

I think it's normal. Mine seems to crank longer than most cars before she fires as well.

[GM991]

Infiniti published numbers*90-96 Q45 (G50) - VH45DE - 278HP/292TQ (ex.1996, the elimination of VVT lowered the numbers.)97-01 Q45 (Y33) - VH41DE - 266HP/278TQ02-up Q45 (F50) - VK45DE - 340HP/333TQ

The layout for Nissan/Inifiniti engines is letter/letter/number/number/letter/letter/letter the first 2 letters designate the engine series (i.e. VH, VH, RB, SR, KA, FJ, LB, etc) the 2 numbers designate the displacement in liters. There may be up to 4 letters after the displacement that designate the valve train type - D = DOHC, V = VVT (though it wasn't used on the VH45DE??) (SOHC, is deisgnated by no letter), followed by the fuel system - E = Fuel injected, I = Throttle Body, D = Direct Injection. The next letters would designate what type of forced induction (& quantity ) if present - T = turbo, TT = twin turbo and R = Supercharger.

*It's rumored, that there was a gentlemens agreement amongst Japanese auto manufacturers to not export passeneger vehicles with horse power "ratings" over 300 hp. The agreement seemed to dissolve during the 90's. Keep in mind these are not RWHP numbers.

Related to the initial post, can you review your start up proceudres?

(example)Enter the carPlace key in ignition, turnWait for 3 beeps of the seat belt/door warningStart carFasten seat beltLock doorsTurn on headlightsWait ~2-3 minutes.(Note: During cooler seasons >40 degrees, after starting car, I go back in house after locking door, from passeneger side, with spare key)

Sorry for the babbling, but I thought it would be beneficial t some of the newer members .

so what are you saying waiting for 3 beeps of the seat belt/door warning before trying to start the carwill give the fuel pump a second to get fuel moving?

thanks

[GM991]

I think he means you should enever press the gas pedal on any fuel injected car at start up, unless trying to resovle a flooded condition.

I agree thats way I never did it...

[xmateo]

My 99 Q takes longer to crank too. I don't think it is normal though. There is a new battery, so that's ruled out. I'm thinking the starting may be on its way out.

[GM991]

My 99 Q takes longer to crank too. I don't think it is normal though. There is a new battery, so that's ruled out. I'm thinking the starting may be on its way out.

Mine cranks strong.I really think its a fuel thing

[Falkdesigns]

I usually hear 3-4 cranks before it fires in the morning, like "vr, vr, vr, vroooomm".

[GM991]

I usually hear 3-4 cranks before it fires in the morning, like "vr, vr, vr, vroooomm".

miine has 2-3 more vr's before the vroooooom..........

[xmateo]

miine has 2-3 more vr's before the vroooooom..........

t

Mine varies. But it has never been as crisp and quick as my 93 J30.

[zinkie13]

Mine usually takes a little while too. I never think anything of it. It varies a lot though. I've never had a problem starting the car in any temperature. From -10 F to 110 F. Never a single problem....and my battery is in my trunk!

[BadQ45t]

I guess I will coun myself lucky, my 97' fires up directly no different than any of my other 3 Nissans.

[maxnix]

Every VH41DE seems to take another revolution more than the VH4DE. No biggie.

I wonder if it is the location of the starter motor (no sense to that) or the starter motor itself, or OBD II?

[BlueC]

Mine use to take longer to start, but I stopped using the 10% ethanol blended premium gas that every station has around here, and found a station that sells pure 100% premium gas. Has never had trouble starting since.

A lot of states are forcing the 10% blend now, and it DOES make a difference whether you use it or not. (i.e. lower gas mileage, rough starts, reduced power, can ruin fuel components, etc).

[BadQ45t]

Northern Cal bailed out on that stuff quite a while ago, maybe that is why I don't have the problem.