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Old 01-23-2005, 11:01 PM   #1
TIMSPEED
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Default Cranks for a while before starting...

What would cause this? Plugs, wires, or dirty coils? It starts fine, but it just seems like it takes longer than my 93 SC2 (I'm talking about my 98 SW2).

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Old 01-24-2005, 07:56 AM   #2
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Default Re: Cranks for a while before starting...

My 99 SC1 does the same thing. It only started after adding the Magnecor wires and Beru Silverstone plugs though (and yes I checked them and made sure they were gapped right).

I wouldn't mind an answer to this question as well. Could it be what he listed or the starter?

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Old 01-24-2005, 12:46 PM   #3
Bill Murray
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Default Re: Cranks for a while before starting...

This can be a fuel pump issue. My 97SC1 starts quickly at initial fire-up but will take some cranking to re-start when warmed up and shut off for a period.
The way to test for this is to put the key in the "run" position for a few seconds and then see if the engine starts quickly when you go to "crank".
Wolfman says it may run this way for a long time before the pump actually fails. IIRC a check valve tends to bleed off fuel pressure. I may do a preventive change-out over the summer when the car is back from college.

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Old 01-24-2005, 02:03 PM   #4
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1996 SW2
Default Re: Cranks for a while before starting...

Bill, might this also indicate a leak elsewhere in the fuel system (downstream of the fuel pump), allowing the pressure to drop while the car is parked?

Oh, and IIRC, another test is to turn the key to RUN, then back to ACC, a few times, each for the three seconds or so you hear the fuel pump priming. This allows successive buildup of pressure. If that helps the car start more normally, then yeah, there's a pressure leakdown (again, going from memory here...).

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Old 01-26-2005, 12:38 AM   #5
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Default Re: Cranks for a while before starting...

Quote:
Originally Posted by Bill Murray
This can be a fuel pump issue. My 97SC1 starts quickly at initial fire-up but will take some cranking to re-start when warmed up and shut off for a period.
The way to test for this is to put the key in the "run" position for a few seconds and then see if the engine starts quickly when you go to "crank".
Wolfman says it may run this way for a long time before the pump actually fails. IIRC a check valve tends to bleed off fuel pressure. I may do a preventive change-out over the summer when the car is back from college.
this was a common problem for the 97 pump, that style pump was used for one year only, no other years are affected(but you could still have a simular problem).

a weak battery may also be at fault.

i would check fuel pressure while running, right at shut-off, 5 minutes later, 1 hour later, and 4 hours later, and preform a heavy load test of the battery.

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Old 01-26-2005, 01:40 AM   #6
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Default Re: Cranks for a while before starting...

98' was the first year for the returnless fuel injection system that incorperates a pressure regulator built into the fuel filter. Unlikely it's a leak down issue unless the fuel filter is over due for a change (100k mile recommended interval) OR, you have a leaking injector or two which would most likely also show up as a decrease in fuel economy. You'd most likely SMELL a fuel leak downstream (or anywhere) from the pump as any leak would be WORSE under full pump pressure. A weak battery is a possibility, though it would tend to manifest itself in other ways first I'd imagine. Most "Gen 1" Saturns fire and start more readily than their OBD2 siblings. You can thank OBD2 for that, as the more one fancies up the plumbing (or electronics) the easier it is to stop up the pipes...

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Old 01-26-2005, 02:24 PM   #7
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Default Re: Cranks for a while before starting...

Wolfman,
Would you say that changing the fuel filter is absolutely necessary at 100K? My 1998 has over 140,000 on it and I've never changed it, and I'm posititve it's never been changed. I'm holding out because I refuse to pay $90 from the dealer for the part (not available aftermarket yet), not to mention the labor involved. .

What do you think?

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Old 01-26-2005, 07:46 PM   #8
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Default Re: Cranks for a while before starting...

The "recommended change interval" (from the maintenance schedule) is 100K miles. Yours "may" last a longer time period before clogging up enough to cause problems...or it could leave you stranded outside a strip club, where your wife did not know you were, at 3 am....your choice.

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Old 01-26-2005, 07:57 PM   #9
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Default Re: Cranks for a while before starting...

Quote:
Originally Posted by wolfman
or it could leave you stranded outside a strip club, where your wife did not know you were, at 3 am....your choice.

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Old 01-26-2005, 08:18 PM   #10
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Default Re: Cranks for a while before starting...

Haha there are no strip clubs in Clemson, and I'm not married so I guess I'll be ok . JK. I guess I should get around to doing that sometime though. Are there any common "symptoms" to a fuel filter getting way to cloogged, or just one day your car wont' crank? I have no extended cranks ever, starts right up always.

Does anyone know how much your local dealer charges for the repair? I believe ours here is over $200.

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Old 01-26-2005, 08:35 PM   #11
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Default Re: Cranks for a while before starting...

Usually the earliest warning sign is a car that idles just fine but lacks acceleration power. Unfortunately this change is generally so gradual, you may not notice it until it becomes a real problem...like when you are trying to merge onto a freeway...

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Old 01-26-2005, 11:56 PM   #12
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Default Re: Cranks for a while before starting...

Quote:
Originally Posted by clemsonsaturn
Wolfman,
Would you say that changing the fuel filter is absolutely necessary at 100K? My 1998 has over 140,000 on it and I've never changed it, and I'm posititve it's never been changed. I'm holding out because I refuse to pay $90 from the dealer for the part (not available aftermarket yet), not to mention the labor involved. .

What do you think?
think of it this way, a normal filter cost $25 and must be replaced about 25K miles, you would use 4 filters in 100K hence about $100. it ends up almost even in the end. and plus an extra 40K miles, you have definitly got its value out of it.

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Old 01-27-2005, 07:47 AM   #13
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Default Re: Cranks for a while before starting...

Just to throw in a few cents....

Fuel pumps are designed for a certain flow/pressure, and are cooled by fuel flowing thru them. Filter gets clogged, lower flow, higher heat, higher load on pump = lesser fuel pump life.

Its up to you, change filter or eventually change pump.

I have 400k on my original pump. Filters changed regularly. Same car, different owner (fuel filter... whats that ?) had 110k, and replaced the pump.

I just hate dropping fuel tanks.

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Old 01-27-2005, 09:52 AM   #14
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Default Nice Analytical response

Quote:
Fm >> Lord Helmut <<

> Fuel pumps are designed for a certain flow/pressure, and are cooled by fuel flowing thru them. Filter gets clogged, lower flow, higher heat, higher load on pump = lesser fuel pump life......I just hate dropping fuel tanks. <
VERY good point. Thank you.

...
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