Hello, my 2001 Frontier has died 3 times while driving down the road. First time it was diagnosed as a fuel pump, and was fixed. Second time was very mysterious. About 2 weeks after fuel pump. I'm thinking lousy Chinese fuel pump. Not so. Had it towed in, and if started right up the next day. Shop cleaned the EGR valve, and although I didn't really think that was the problem, I was getting an intermittent EGR warning light, so I figured it needed that anyway. Now, almost a year later with it running perfectly, I'm going 70 down the highway, and it quit like I turned off the key. Would not restart. Had it towed again to the same shop, again figuring it was the cheap fuel pump he installed. Guess what? Started right up again in the morning. He's still looking at it, but neither of us has any clue why it would do this. I've never seen this behavior from a car before, and I've been driving for 45 years. Has this happened to anyone else? Thanks in advance.
wallste
Also check the camshaft position sensor which should be located inside the distributor; check the harness connectors for tightness and any oxidation on the pins. Inside the distributor there's a seal that may be worn causing oil to enter and messing up the sensor; if you find oil, the distributor will have to be replaced because just the seal itself is not available from the dealer.
Thanks for the suggestions. No, there are no codes. That's what makes it so hard. It did it again today when I went to the dump to take some branches. It stalled just as I went up on the scale to weigh out. Pulled off to the side and felt pretty confident it would start after I let it cool off... just didn't know how long it would take. Ended up being about and hour and a half. Made it home OK though. Right before it finally fired, I was trying it, and it bucked and shook but wouldn't stay running. As if the timing was off or something. Makes me think it could be crank or cam sensor. Can't say with certainty. Just never knew they could be temperature sensitive. I'm going to let it idle in the driveway with the A/C on and see how long till it dies again. Maybe do it a couple of times to see if it's a repeatable condition. If so, is there a way to test a crank or cam sensor?
This appears to be a very repeatable situation. I can let it idle in the driveway with the a/c on (to make it heat up faster), and on a hot day it will die in about an hour and won't restart. After cooling off for a couple of hours, it will, and runs normally again. I picked up a cheap fuel pressure gauge at Harbor, and am going to perform a test. Hook it up, turn the key and see what the fuel pressure is. Then run it long enough for it to quit, and see if I still have fuel pressure. Then I'll at least know whether it's in the fuel pump circuit or not. If I don't have pressure, I'll try replacing the fuel pump relay. If that doesn't do it, I'll have to take it back to the shop where I had a fuel pump put in about a year ago. If I do still have pressure, I guess I'm going to be forced to start throwing parts at it, which I hate to do. Crank and cam sensor, to start I guess.
I assume you fixed this issue since it was posted in July, My 2002 XE 2.4 2wd, As Rogoman stated - had taken out 2 distributor modules in the last 10 years, I finally changed out the distributor due to excessive play,(No leak 172k) but keep a spare CPS in the GB. The symptoms are exact to the letter except as in my old dodge, my tach was dropping out as well.
The symptoms are consistent with a bad distributor. They tend to fail when they get hot and work when they cool down. If you can get the engine to crank and not start, check for spark. If there is no spark when the engine is hot but there is when the engine cools down, replace the distributor. I would recommend a genuine Nissan reman or a genuine Hitachi part.
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