93 Civic SI intermittent start issue
Bone stock 93 si recent starting issue-
Sometimes starts fine, usually it wont crank - like its a weak battery, but battery tests fine, can start via popping the clutch/jumper cables, alternator tests fine, main engine relay/s fine, no CEL's when jumped ecu harness After i pop the clutch to start when i go to start up 1 out of 5 times it will start right up. Help! |
Re: 93 Civic SI intermittent start issue
If jumper cables allow the starter to crank, then the battery is weak. What's the voltage across the battery posts?
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Re: 93 Civic SI intermittent start issue
Originally Posted by RonJ@HT
(Post 47555579)
If jumper cables allow the starter crank, then the battery is weak. What's the voltage across the battery posts?
12.73 |
Re: 93 Civic SI intermittent start issue
Have you cleaned and tightened the battery connectors, the G1 battery ground attached to the chassis, and the G3 transmission ground?
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Re: 93 Civic SI intermittent start issue
Originally Posted by RonJ@HT
(Post 47555653)
Have you cleaned and tightened the battery connectors, the G1 battery ground attached to the chassis, and the G3 transmission ground?
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Re: 93 Civic SI intermittent start issue
When the starter won't crank, does the starter solenoid fail to receive battery voltage? If so, check the safety switch and rubber stopper it presses on at the top of the clutch pedal, as well as the ignition switch.
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Re: 93 Civic SI intermittent start issue
Originally Posted by RonJ@HT
(Post 47555699)
When the starter won't crank, does the starter solenoid fail to receive battery voltage? If so, check the safety switch and rubber stopper it presses on at the top of the clutch pedal, as well as the ignition switch.
It's not so much that it wont crank, when it happens its just a weak half crank I appreciate the help, ill check the ignition switch tomorrow and post results. Thanks again |
Re: 93 Civic SI intermittent start issue
i can jumper from the battery to the ignition switch wire connection on the solenoid - if it works, it's not the solenoid, and its either the ignition switch or the clutch pedal switch. edit: or wire broken/loose somewhere
right? |
Re: 93 Civic SI intermittent start issue
Here's the circuit, which involves a relay, so the problem also could be several different wires or the relay.
http://i639.photobucket.com/albums/u...cture_6862.jpg |
Re: 93 Civic SI intermittent start issue
where is the "starter cut relay" located? under leftside of dash?
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Re: 93 Civic SI intermittent start issue
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