Trouble starting after warmed up

Discuss the RB20, RB25 and RB26 series engines.
metalmulishiaS13
Posts: 43
Joined: Thu Aug 26, 2004 5:29 am
Car: '89 Nissan 240sx with a RB25det and hopes and dreams

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Like the title states, I have been trying to figure out why my car doesn't like starting after being warmed up. It starts perfectly fine cold. After driving and warming the car up, If I turn the car off or stalled it; usually it does not like starting again. I have been able to bump start it when this happens. When I go to turn the key, everything powers up just fine. However the starter does not engage( but can be bump started). I have relocated my battery and have since re done the wiring thinking it was that. So I now have a cable directly from the battery to the starter and alternater as well as a power wire feeding my fusible link at the front of the car where the battery would normally sit. Now I am wondering, does this sound more like I am in need of more engine grounds, or is this a replace starter and call it a day kind of a thing. Only reason I suspect the starter is because I can bump start it when it doesnt want to start and for a while a little bit of coolant was dripping on to the starter, till I fixed the leaks.



Any help would be appreciated.
Last edited by metalmulishiaS13 on Fri Jun 25, 2010 9:47 pm, edited 1 time in total.


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Infinitiguy19
Posts: 7787
Joined: Sat Dec 22, 2007 4:58 pm
Car: 1993 Infiniti Q45 188580 Miles
1994 Infiniti Q45a 240000 Miles

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Sounds like you found it...clean the connectors on the starter.

If thats not the problem check the fuel pressure, injectors, Ignition spark, ECM* harness, ECM* power and finally try a known good ECM*

*Engine Control Module

metalmulishiaS13
Posts: 43
Joined: Thu Aug 26, 2004 5:29 am
Car: '89 Nissan 240sx with a RB25det and hopes and dreams

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Pretty sure, my fpr gauge reads about 42 psi at idle. I don't think its anything like fuel or ign related, because it doesn't turn over. That's why I say starter, and the fact that I can bump start, no problems. Its just a pain in the a** and embarrassing.


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