How many cranks does it take...
So as the weather's getting colder I'm noticing the Cherokee taking more and more cranks to get started. Just wondering, how much does it take to get yours started? Im at about 10-12 right now. Should I be looking into a new battery, possibly a fuel pump, or even a starter? Or should I just let her crank and see how far she goes?
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Ever make that "quick run" to the store in the middle of a 5 degree night, of course without even wearing a proper jacket and have a battery go dead? That's when it will. ;)
Have it load tested for piece of mind. Definately check the cables over. |
yeah that's way to many.... 3 should be max
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Originally Posted by DieselDaze
(Post 2680257)
yeah that's way to many.... 3 should be max
So maybe fuel pump? I always give it a second to kick in before fully turning the key, but it still takes forever to start. And it doesn't do any better re-starting after a quick stop. It's got all new plugs, wires, cap and rotor. I've never had a starter go out, but I was under the impression that when they go bad they just quit completely. |
could be a number of things... weak battery, have it load tested... battery's are sometimes really goofy, I've went to no end trying to resolve an electrical problem once and it turned out, it was the battery ... even after it tested good...
could be the fuel pump/valve... have you tried putting the accel (key) on for a few seconds, then off, then on do this around 3 times and see if it will start up quickly... if it starts still could be several things,(but prob. fuel pump) I'd also check the fuel rail pressure, bring it to pressure (high 40's) then leave engine off for a couple minutes and see if it will hold pressure and for how long.... there may also be a leak... etc, etc... start with the small cheap stuff and work your way upward, many part stores will have testers you can use for free... |
Tip: turn key to on position, wait 10 seconds for it to prime with fuel, start engine.
Pretend it's a diesel. |
Originally Posted by DieselDaze
(Post 2680285)
have you tried putting the accel (key) on for a few seconds, then off, then on do this around 3 times and see if it will start up quickly
How do you go about checking the pressure? I can look it up somewhere, but may as well ask here. |
Never cranked more than once in the 7 years I've owned it. I use the "turn key then wait 5 seconds before cranking" method though.
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how long do you leave it on?? do like dan said leave it on for a length and see if that helps, if not do it multiple times around 4 seconds a time... There is a cap on the fuel rail (or should be) where the port is, around halfway point.. Get the pressure gauge from parts store remove cap, connect to port, start engine let it run for a minute should read high 40's I think (someone could chime exact numbers)... then turn it off and see how far it drops... shouldn't drop below 25+
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are they slow cranks?
does sound like your battery is weak tho. |
Just for clarity, I turn the key and wait til after the pump stops making noise (only about 2 seconds or so). I'll try leaving it on longer, then the multiple thing. I'll pressure test the fuel as well. And in all reality I'm gonna get a new battery regardless. I've had the Jeep about 2 months now, and I like the peace of mind that a 6-year battery with a 30 month warranty brings.
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Originally Posted by caged
(Post 2680504)
are they slow cranks?
does sound like your battery is weak tho. |
Originally Posted by OldLaredo
(Post 2680588)
I'm gonna start with the battery just because its the easiest and most likely. ..
I replaced my battery right off the bat when I got my XJ a few years back as the one it was total junk. New battery (Duracrap red top) only lasted 1&1/2 full years as my ex would constantly drain it, leaving lights on, back up fan, just to name a few. I've always said to never rely on a jump start to bring things back to normal and the fact that on these, the PCM regulates alternator output versus a built in regulator justifies it even more. Even still, I was never happy with the crank speed. I finally broke down and got the Duralast Platinum last winter and have never been happier. Jeep even sat from May til last month, never started, fired right up. (and obviously I kicked the parasitic drawing ex to the curb too, lol) |
I'm gonna go with Interstate MegaTron Plus. I've been very impressed with Interstates longevity in the past.
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Originally Posted by dwright98xj
(Post 2680932)
Good idea.
I replaced my battery right off the bat when I got my XJ a few years back as the one it was total junk. New battery (Duracrap red top) only lasted 1&1/2 full years as my ex would constantly drain it, leaving lights on, back up fan, just to name a few. I've always said to never rely on a jump start to bring things back to normal and the fact that on these, the PCM regulates alternator output versus a built in regulator justifies it even more. Even still, I was never happy with the crank speed. I finally broke down and got the Duralast Platinum last winter and have never been happier. Jeep even sat from May til last month, never started, fired right up. (and obviously I kicked the parasitic drawing ex to the curb too, lol) |
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