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Engine cuts off - '98 Honda Civic EX
A friend has a '98 Honda Civic EX, and lately experienced several instances in which the engine simply shut down while traveling. The first four times this happened, the engine could be restarted immediately. This last time, he had to wait some time (half hour or an hour) before it would restart. He brought the car to the dealer who had sold it to him (used), and they ran engine diagnostics for, according to him, about 20 or 30 minutes. They found no error codes set, nor any problems reported during the diagnostics. The dealer also kept the car and drove it himself for a week, about 180 miles, without experiencing the problem. After my friend got the car back, he drove locally for about one week without any problem, but then experienced the cutoff again last week. This last time, he couldn't restart immediately. He made a point of noticing this time that when the engine cutoff, the tachometer dropped to zero after the engine went quiet, thus, I think, ruling out my initial guess that maybe this was an intermittent crank sensor failure (if it were, I think that the tach should have gone to zero first, and then the engine would cutoff - is that correct?). My next guess is that it is possibly a fuel pump relay or fuel injector relay (maybe heat-related) failure, but he doesn't want to just replace parts without having evidence that the ones on there now are bad, even though that's exactly what I would do in this case :-) He's also not comfortable with doing his own testing on the road when this happens, e.g., pulling an ignition wire and testing for spark, and opening the fuel line and checking that gas is being pumped. Does this sound like a common failure mode for this car, and if so, are there any "usual suspects" with respect to its cause? Apparently, the dealer is reluctant to keep chasing this problem, but if my friend had some suggestions for troubleshooting he would be glad to bring the car back and ask that the dealer pursue them. Thanks for any insight you can offer. -- Ken Bell :: :: (212) 475-4976 (voice) |
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#3
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> Ho-yes. Igniter or EFI Main Relay. Standard Honda complaints. My money is > on the igniter. I agree >Igniter< BBA |
#4
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i have a similar problem on my mitsubishi, see the thread about 94 mitsu
eclipse adn vaporlock a few days earlier for that discusison, it might be use full to you too. (its nothign about vaporlock) On 8 Feb 2005 19:36:44 -0500 (Ken Bell) wrote: > > A friend has a '98 Honda Civic EX, and lately experienced several > instances in which the engine simply shut down while traveling. > The first four times this happened, the engine could be restarted > immediately. This last time, he had to wait some time (half hour > or an hour) before it would restart. > > He brought the car to the dealer who had sold it to him (used), > and they ran engine diagnostics for, according to him, about 20 or > 30 minutes. They found no error codes set, nor any problems reported > during the diagnostics. The dealer also kept the car and drove it > himself for a week, about 180 miles, without experiencing the > problem. After my friend got the car back, he drove locally for > about one week without any problem, but then experienced the cutoff > again last week. This last time, he couldn't restart immediately. > > He made a point of noticing this time that when the engine cutoff, > the tachometer dropped to zero after the engine went quiet, thus, > I think, ruling out my initial guess that maybe this was an > intermittent crank sensor failure (if it were, I think that the > tach should have gone to zero first, and then the engine would > cutoff - is that correct?). > > My next guess is that it is possibly a fuel pump relay or fuel > injector relay (maybe heat-related) failure, but he doesn't want > to just replace parts without having evidence that the ones on > there now are bad, even though that's exactly what I would do in > this case :-) > > He's also not comfortable with doing his own testing on the road > when this happens, e.g., pulling an ignition wire and testing for > spark, and opening the fuel line and checking that gas is being > pumped. > > Does this sound like a common failure mode for this car, and if > so, are there any "usual suspects" with respect to its cause? > Apparently, the dealer is reluctant to keep chasing this problem, > but if my friend had some suggestions for troubleshooting he would > be glad to bring the car back and ask that the dealer pursue them. > > Thanks for any insight you can offer. > -- > Ken Bell :: :: (212) 475-4976 (voice) |
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