Question about 2000 Jeep Grand Cherokee
When trying to start my Jeep, it takes about three to four seconds for it to actually turn. It hasn't ever failed to start, but it seems to take longer and longer every day. I took it to a shop and they ran a complete electrical diagnostic, which came back with no faults. I still had them do a complete tune-up to see if that would fix this problem -- which it didn't. When I asked them what it was, they said they couldn't find anything wrong with it from what their tests show. Something is wrong, but what??
Our Jeep(s) seem to have problems with the battery clamps much more than I have ever had with other vehicles and often, if the battery was good, cleaning the darned clamps and posts would return it to reliable starting again.
Weak batteries and crummy clamps often only show up during starting because of the vast difference between the current needed to run anything else on a car (the total running current is normally under 20 amps) and the huge surge the starter needs which can approach 200 amps. This high current exposes a weak battery or poor terminal contact real quick.
Posted on Nov 18, 2008
SOURCE: Delay in startup
if the engine turns over but just dont fire up it sounds as if the fuel pump is losing prime ....have the fuel pressure tested...you may need to leave it overnight so the shop can test it first thing...the pump may be going bad
Posted on Nov 16, 2008
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