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I purchased my Sunrader on 1986 Nissan D21 Hardbody chassis automatic trans, Aug 3, 2022 with 48,000 miles on it. The tires were 20 years old!? Around Dec 17 2022, I tried to start the truck at 9 am to go to Discount Tire to get the tires replaced.? I didn’t note the temp but it was cold, maybe 45 degrees.? The truck would not start, engine was trying with a normal cranking sound that comes with turning the ignition, but on and on and on and on it cranks....but the engine would not stay on where I could put it in drive and be on my way.?

I spent two days trying to get a tow truck to tow me to a 5 Yelp star mechanic who was willing to have my “8 foot RV with dually wheels on his lot? On the third day, the engine just start normally, right away, with no delayed cranking.

I drove it to that mechanic for needed repairs, including changing the fuel filter and he started the engine, trying to replicate the No Start, every day FOR A MONTH!? This included cold days that he said frost was on his car (don’t know the temps).? But it started fine every time, so we gave up.

Then Jan 20, 2023, I drove it to Tucson for an event and slept in the desert.? It would not start at 9 am 32 degrees.? But by 1 pm, it was warmer maybe 55 degrees, it started right away.? The next day it would not start again, it was 32 degrees 9 am, but did start in the afternoon.

This happened again in the Spring but it was 80 degrees.?

And again few days ago Jan 4, 2024, when it was 45 degrees outside. ??But it started fine right away the next day when it was 55 degrees.

?I am about to go to a Toyota Motorhome Rally in Quartzsite AZ.? I THINK the No Starting has to do with a fuel feeding issue maybe the fuel pump doesn’t pump enough gas to start in cold weather (even though it happened also at 80 degrees).?

Maybe it is faulty fuel injector?? How do you tell which one????Also over the last 15 months I used at least 6 bottles of Techron or other fuel injector cleaner.

What causes could this be, if I had the fuel filter replaced?? ?Would you recommend that I get a new fuel pump installed, if you think that mechanics inside pump doesn’t work well in colder weather.? If so, do you recommend I buy new instead of “remanuf”??

I am afraid to get stranded in Quartzsite AZ 150 miles away, and then cannot find a tow truck to tow it “where”.? I know of no mechanic there.??