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| jackcurrie |
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I have an EF XR6, 6cyl automatic. Basically, its mechanically fine. There is a slight tick in the engine, but otherwise it runs brilliantly. Idle might be considered somewhat rough, but no issues that need to be treated anytime soon as far as I know.
The one thing I have noticed, and figured I should check up on, is that when I have left the car sitting for 10+ hours or so without driving it, its very sluggish on startup. It just takes about 5 seconds for the car to fully ignite. Its fine if I've left it parked for a few hours, but basically every morning its sluggish. I recently left it sitting for a few days without it being driven, and the sluggish start took almost 10 seconds. Any ideas? Or just not the best car for a cold start? |
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| Atlas600 |
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could be using the wrong oil? bad fuel? starter motor? battery? etc
my au takes maximum 2 seconds to start on cold |
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| SWC |
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What do you mean by sluggish start?
I am assuming that you are talking about the starter motor being slow to crank over when cold but fine when warm. If this is the case, then check your battery, could be on its way out. Standing for a period, 10hrs, the charge drops in the battery. When it starts the charge builds up and if ok for 3-4hrs etc. |
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| jackcurrie |
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I use premium fuel, and oil. As far as my starter motor, for the first second of the car starting, the starter motor will wind slowly. Although it quickly picks up to turning over rapidly, and then a second or two later it starts. Its one of those problems thats difficult to describe.
So one morning I should hook up jumper cables? And if it responds much quicker, that would be a good indicator? |
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| SWC |
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Fuel will not cause a slow crank, too heavy an oil can. Try the jumper cables or use a multi meter to check the voltage without the motor running. How old is the battery?
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| jackcurrie |
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I've only come into the car within the last 10 weeks or so. When I first tried it out, it started and ran beautifully (this is obviously because it wasnt a cold start). But for the last 10 weeks or so it has had this issue. The battery doesn't appear to be too old, but I can't really be sure at all.
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| Atlas600 |
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If it always starts I wouldn't worry too much. I just like to think the engine is so big and powerful it takes a bit to start :p
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| jackcurrie |
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Atlas600 wrote: If it always starts I wouldn't worry too much. I just like to think the engine is so big and powerful it takes a bit to start :p Haha, thats exactly what I'm telling myself. |
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| efxr6wagon |
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My EF XR6 is sensitive to low battery voltage or low Cold Cranking Amps (especially with the modified compression). When the battery got old, it acted just like yours does. Always started, but sounded like it was really struggling. I bought a new battery with the highest CCA I could find, and now it's no problem.
Any battery shop should test your battery for free; just watch the gauge over their shoulder to make sure they're telling you the truth. It wouldn't be the first time a shop has replaced a perfectly good battery.  Also, E-series ran thicker oil than AU onward. High km examples tend to use thicker oil again. If you are using anything thicker than 10W40, it won't be helping cold starts. The first number is the effective viscosity grade when cold - a higher first number means a thicker oil on cold start. So, if you are running 20W50, a change to 10W40 will definitely help.
_________________ 95 EF XR6 wagon, 17" FTRs, DBA rotors, KYB/Koni, AU bottom end, ported EF head, backcut valves, SS Inductions, Territory intake, 10.2 CR, Auckland 1258 cam, vernier gear, PH4480 headers, no cat, Tickford 2.5", 2800rpm stall, J3 chip |
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| jackcurrie |
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efxr6wagon wrote: My EF XR6 is sensitive to low battery voltage or low Cold Cranking Amps (especially with the modified compression). When the battery got old, it acted just like yours does. Always started, but sounded like it was really struggling. I bought a new battery with the highest CCA I could find, and now it's no problem. Any battery shop should test your battery for free; just watch the gauge over their shoulder to make sure they're telling you the truth. It wouldn't be the first time a shop has replaced a perfectly good battery. Also, E-series ran thicker oil than AU onward. High km examples tend to use thicker oil again. If you are using anything thicker than 10W40, it won't be helping cold starts. The first number is the effective viscosity grade when cold - a higher first number means a thicker oil on cold start. So, if you are running 20W50, a change to 10W40 will definitely help. Thanks heaps, I'll head over to my local auto electrician and get him to test its output. Probably wont be buying a battery anytime too soon, being this time of year. Lets hope it doesn't completely die until then. Out of curiosity, is this sluggish starting gonna hurt anything mechanically? |
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| efxr6wagon |
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Wouldn't have thought it could do any harm. You can damage your starter motor if you crank it for more than about 15 seconds at a time. But it doesn't sound like that's a problem for you.
_________________ 95 EF XR6 wagon, 17" FTRs, DBA rotors, KYB/Koni, AU bottom end, ported EF head, backcut valves, SS Inductions, Territory intake, 10.2 CR, Auckland 1258 cam, vernier gear, PH4480 headers, no cat, Tickford 2.5", 2800rpm stall, J3 chip |
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