I have a 1987 half ton 4 wheel drive with a 350tbi. Swapped the 350 for a 454 out of a 1993 g30 van. Kicking the water temp sensor code, runs good cold but stalls when it warms up. Swapped computers, replaced egr valve, new water temp sensor, coil and distributor. Any ideas as to what I've missed?

I have a 1987 half ton 4 wheel drive with a 350tbi. Swapped the 350 for a 454 out of a 1993 g30 van. Kicking the water temp sensor code, runs good cold but stalls when it warms up. Swapped computers, replaced egr valve, new water temp sensor, coil and distributor. Any ideas as to what I've missed? 2 Answers

Chevy Lumina 91 3.1 4dr...multi...I got a codes, 14 and 42...14 is heat temp high...and 42 is a ESC or EST Eletric Spark Timing, now I went and got a paper clip to pull these codes...it works. 12,12,12, and 14,14,14 and then 4..2 so it is 42...42 is behind the coil pack and then also it is connected to the crank sensor...What ever it is...I did check spark on the to top right side coil pack and the spark is powerful...removing 2 plug wires to test spark...so under that, change that and then the crank sensor...and the the Heat sensor for the water or radiator 14 code. Any other helps is good...Thanks! 7 Answers

before it stalls engine light comes on all the time before it stalls...Code 42 and code 14 is what I got...I am going to change the crank sensor in the morning to see if this helps...but I am welco...

I have a 1999 Chevy Blazer, 4x4, 4.3 vortec. We have changed the coil pack, fuel filter, distributor cap and button, the crank shaft sensor, cam sensor and plug wires as well as the ignition control module. We coming to a stop sign it will stall and sometimes when just sitting still. Sometimes it will start right back up and other times it takes several tries. I also have the oxygen sensor on order and it should be here tomorrow. Fuel pressure tested perfectly. No black smoke, no smell of rotten eggs or the cat glowing red. The only code that comes up is PO420. 4 Answers

I have a 1999 Chevy Blazer, 4x4, 4.3 vortec. We have changed the coil pack, fuel filter, distributor cap and button, the crank shaft sensor, cam sensor and plug wires as well as the ignition control m...

I have a 1993 suburban and when I pour water in the radiator it floods out from under the truck in the middle what could it be 3 Answers

I have a 1993 suburban and when I pour water in the radiator it floods out from under the truck in the middle what could it be

I have a 98 1500 with a new water pump,thermostat, and less than yearold radiator. After replacing the water pump the water temp wont rise at all, jt runs a little rough what can it be? 1 Answer

It also is pushing water out of the cap after being driven. It isnt using water though, so i dont think its a head gasket