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644 messages,  Last post on Dec 01, 2009 at 10:43 AM

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#593 of 644 Peculiar problem by SinSater Feb 08, 2009 (5:31 pm)
I am once again experiencing a problem that i believe that I had experienced about two years (winters) ago. I have a 1990 hardbody that after sitting for about 3 months It failed to start as it usually starts instantly. I discovered feul pressure and spark was being supplied but didn't have time to investigate further as I needed to move it to my new place of residence. I towed it to there where it sat through the winter when my GF went out to move it forgetting that it had a problem. It started right up and ran throughout the summer until now. The truck has sat through a couple of the coldest months this winter on the street. I went out to start it and the same symptoms exist! If anyone has some insight on what this failure may be PLEEEEZ feel free to respond.   Thanx in advance,   Ron Replies to this message: colohunter (Feb 09, 2009 10:23 am)
#594 of 644 Re: Peculiar problem [SinSater] by colohunter Feb 09, 2009 (10:23 am)
Replying to: SinSater (Feb 08, 2009 5:31 pm) So let me git this straight - it wont start when it's cold out - really cold and has sat for a while?   Maybe you have frozen water in the fuel line - when it warms up above freezing for a couple of days - add some "Heet" and try it - "Heet" is nothing but pure methanol which "chases" the water - actually makes it soluble in the gas. If it starts, burn up the whole tank of gas and ass fresh gas with another can of heet
#595 of 644 1995 Nissan p/u ignition/start problem by byrd2 Feb 27, 2009 (8:09 am)
Ok,   So I replaced the timing chain on this 1995 Nissan KA24E engine, and made sure it was aligned before I put the cover back on. But it won't start. Turns over just fine. Compression is good and first stroke it's 120, but pumps up to 170-180 PSI on all cylinders. All plugs are firing white spark, and I did have to replace the fuel in the tank, as it soured. Fuel pressure is good at 50 psi. Even with a tooth off, I still should get some sounds of fire, right? So could it be that the injectors need cleaning, since the fuel was old, and turned bad? Or could it be that the MASS Airflow Sensor, or the camshaft position sensor is bad? Or even the ECM is bad. It may be that the injectors are not in time with the spark, which would make sense, as it's gettting plenty of fire, and just sounds like it is not getting any fuel. But I even tried a can of starting fluid to get it to 'pop' and run, so I can finish setting the timing correctly. Can the engine be started in the default or self-diagonsis mode on the ECM? This is the same problem it had before I replaced the timing chain. Over the summer, it started because I moved the distributor slightly. But it had no power, which made me believe the main trouble was a stretched timing chain. As I found out during replacement of the timing chain, parts of the plastic guide were in the oil pan. So it needed to be replaced anyway. But it still won't start up and run. Any ideas out there?   Mike Replies to this message: ggann (Feb 27, 2009 4:04 pm) byrd2 (Feb 27, 2009 6:28 pm)
#596 of 644 Re: 1995 Nissan p/u ignition/start problem [byrd2] by ggann Feb 27, 2009 (4:04 pm)
Replying to: byrd2 (Feb 27, 2009 8:09 am) I have 1993 4wd nissan truck with same engine. I too had to replace timming chain guide. To make a long story short, I eventually found that all four of the injector pulses to be too long and the engine would not go over 2700 rpm. No bad codes were on the computor so I disconnected the 0-2 sensor to generate one. That was 16 months ago and the engine has not started since. I never got back to the original problem was and bought a 1996 Ford ranger with 190,000 miles. It starts and runs but is 2 wheel drive. I would love to get the nissan going again so I could give to one of our 11 grandchildren. I just don't trust anyone to fix it without them just replacing every part in the engine sensor area. One local mechanic just had to give up. Good Luck Grandpa Gary Replies to this message: byrd2 (Feb 27, 2009 6:28 pm)
#597 of 644 Re: 1995 Nissan p/u ignition/start problem [ggann] by byrd2 Feb 27, 2009 (6:28 pm)
Replying to: ggann (Feb 27, 2009 4:04 pm) Thanks for the info and greetings Grandpa Gary. I guess I may try 2-car pros.com for advice, and maybe they would email me how to check the sensors, if they respond. I was able to download the Factory Service Manual for the 1996 Nissan Truck, and it does explain a little bit on how to see if the mass air flow sensor is sending too high, or too low a signal to the ECM. Which that signal is used to adjust the pulse to the fuel injector. If the mass airflow sensor seems to check OK, I may be able to bypass it somehow, or maybe check to see if it is getting hot. That's how the thing works. It senses the amount of current needed to maintain a certain temp of the element, and the more air you have flowing accross it, the more current needed to keep it at the same temp. Maybe it is not sensing any flow at all, as the passage on this one is on the side of the throttle body, and not in the direct path of the air intake piping, like most normal cars are. Hmm, I may have something there. The injectors may also need to be pulled and cleaned, somehow. As it did have the fuel go bad, and smelled a little gumed up. Seems like this engine was not the best one they came out with at all. It doesn't trouble shoot well.   Mike
#598 of 644 93 Nissan intermittent miss by mkahl Mar 14, 2009 (12:45 pm)
I have a 93 nissan pickup, 4 cyl. fuel injection It runs fantastic except for when I start through the gears, it hesitates, sputters a bit then goes. It seems to do it at the same RPM each time. Less noticable when it is warm but still there. It also loses power when it does this. It will also do the same thing at cruising speed; going along just fine, then start to miss, sputter, lose power then work itself out of it. Compression checks are perfect. Flying colors on emission testing. I've replaced the distributor cap, rotor, plugs, wires.....even the distributor itself. It can sit for months and start right up. I've put enough injector cleaner through it to choke a horse. I haven't changed the coil or injectors. Am I missing any componants?? If I can get this fixed, I'd have a really nice little 4x4!! Replies to this message: colohunter (Mar 16, 2009 7:26 am)
#599 of 644 Re: 93 Nissan intermittent miss [mkahl] by colohunter Mar 16, 2009 (7:26 am)
Replying to: mkahl (Mar 14, 2009 12:45 pm) I had a similar problem - tried a lot of things before I got it fixed - changed fuel pump and fuel filters, changed coil, distributor, rotor, plugs, wires, air mass flow sensor, temperature sensor ...... So many things - finally figured it out with the help of a Vietnamese mechanic - the shaft coming off the motor that drives the distributor had to be replaced, it's the whole unit under the distributor cap and rotor. After I got that fixed it is great. While it was doing that, it ruined my transfer case!!!!!   Probably spent 2 grand before I figured it out.   Good luck!!
#600 of 644 Grandpa huh? by colohunter Mar 16, 2009 (7:56 am)
Grandpa my ass - did you get it fixed???
#601 of 644 Re: Squeaking Noise on Acceleration 95 SE-V6 4X4 [4thnissan] by colohunter Mar 16, 2009 (8:07 am)
Replying to: 4thnissan (Jun 29, 2005 11:30 am) The squeeking is the rubber seal around the drive shaft behind the transfer case. It did it to me for a while when I replaced it - then stopped. What it is , is a rubber doughnut that holds the drive shaft in place and allows it to rotate freely. Usually replaced when the transfer case is removed and replaced.   I had a mechanic in Nebraska fiz my ehause manifold leak - pretty common with this truck. I paid him about $250 and now with 300 K miles on it - still no leak.
#602 of 644 rotor warp by ntitan05 Mar 17, 2009 (3:57 pm)
i own a 2005 nissan titan with 58k, ive had stock rotors replaced twice and had each set turned 2 times, once again the rotors have over heated and warped, i do not tow a large trailer and have checked for the calipers hanging up, i like everything about the truck except for the brake issue, if this latest remedy does not repair the issue i will have a 2009 toyota 4 dr 4 whl dr in place of my titan. what ive decided to do is purchase a set of EBC vented and chamfered dimpled drilled rotors along with EBC organic 7000 series greenstuff pads. i hope this work, any comments on this guys. P.S. nissans customer services sucks #&$* Replies to this message: obyone (Mar 19, 2009 4:04 am) asa (Mar 22, 2009 5:42 am) obyone (Mar 22, 2009 9:29 am) krc01 (Apr 09, 2009 7:59 am) pat81 (May 06, 2009 5:30 pm) pat81 (May 06, 2009 5:31 pm) and 1 more... colohunter (May 07, 2009 6:44 am)

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