I have had my '90 P'up since '95.


Never has it laid down on me. By far, the toughest vehicle I've owned in my fleet.


Get this...I recently moved to Southern California. I drove it on a car carrier, then off in Cali. It sat for 8 weeks while I settled in.


Yesterday, I put a new alternator and battery in it (just because...225k miles) and now it will not start. It will crank, but no start.


Checked coil: OK


Fuel & Pump: OK


Timing Belt: OK


ANY IDEAS???

 

check for spark at the plugs.

 

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Got spark at plugs.


However, 3 squirts of starting fluid, with spark, nothing.


You'd figure that spark+fluid=bang.

 

maybe the fuel isnt making it to the plugs? ckeck your carb out, check fuel pressure, and fuel filter. i cant really think of anything else at this time.

 

compression ,fuel ,spark,are you sure you have all 3?try carb cleaner instead for starting fluid,that stuff causes more damage an any good.it should run off of that.if not check fuel quality,make sure nobody tried messing around with the gas tank while traveling.contaminated fuel.check valve timing.

 

if u replaced the alternator, u may wanna check it again cause if its cranking but won't stay running, its possible that it could be ur alternator

 

Thanks. I will check it. Now, here's the update...


I drained the gas tank and blew out the lines from the injectors to the tank. Clean. Put new fuel in and it takes about 25 tries to get it started. When it starts, it acts as if it fires on 2 cylinders, then 3 and finally four. I can drive it around the block and it is perfect *IF* I steadily apply the gas. When I come back home, it will run great unless I take my foot off of the gas (below 1000 RPM) and then it stalls. After the stall, I am running the battery down trying to re-start it.


I used to build Chevy V-8's when I was a kid, and this acts EXACTLY like one of those V-8's would act if the vacuum advance was failing.


I just don't get it, folks. So, the P'up still sits. Washed and waxed it...hell..it *LOOKS* good.


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fuel injected or carb? maybe needs agood cleaning.sounds like it is starving.

 

It is a 2.6, fuel injected...

 

okay i noticed that you said the timing belt is okay, but do you know for sure that it is in time? do you know for sure that all of your vaccum lines are good? mine is a 93 2.6FI and was quite similar in behavior when i got it. after beating my head against the wall for weeks and weeks i went through and systematically replaced all of the vaccum lines.... bam.... ran like a champ every since just cracked off the 207,000 mark not too long ago. if that doesn''t work you may have an ECM issue from the sounds of things

on a side note a trick from back in the day to find vaccum leaks is to get a cylinder of map gas for a torch from your local hardware store and when you get it running crank on the map gas just a little and run the output nozzle around the vaccum lines, if you notice a jump in the RPM''s there is your leak