SOURCE: 1997 dodge caravan p 1495 code
if I am not mistaken that is the code for the engine temp sensor, it kind of works as a choke, it tell the computer the ngine temp so it can lean out the fuel mix. I think the code says engine is taking too long to warm up. A faulty sensor will read -40 C all the time
SOURCE: 95 eagle talon - Runs fine when cold, terrible when warmed up
When I was building my 97 GSX, I ran into this same problem. I found that I had a bad vacuum leak. Of course, this was after I had done a tune up, changed the fuel pump, injectors, etc.
Let it warm up without driving. Set you idle a little higher by adjusting the idle screw on the throttle body to about 2500 or so. If it does the same while sitting then you can start checking for leaks. Acquire a can of starter fluid from your local auto store. Spray in different areas, short burst (DO NOT blanket the engine area) around the engine compartment, 1 at a time. If the idle changes then returns that is the rough area of the leak. Look around that area and see what it could be. Then you can start fixing the problem.
If not then you will need to get a vacuum tester. You can rent them (Autozone, Advance Auto, NAPA) or find a shop (though that would cost you more) that could check it for you.Follow the directions on the tester.
SOURCE: 98 dodge caravan 3 liter ticks on cold start,
SOUNDS LIKE YOU HAVE STICKY LASH ADJUSTER(LIFTER)..MANY MILES ON IT?HAVE YOU BEEN GOOD TO CHANGE OIL AND FILTER?TRY CHANGING THE OIL AND FILTER AND ADDING AN OIL SUPPLEMENT ..IF THIS DOESN'T WORK,YOU WILL HAVE TO ISOLATE WHICH BANK OF ENGINE NOISE IS COMING FROM,REMOVE VALVE COVER AND YOU CAN TO SEE WHICH ONE(S) ARE MAKING NOISE..PUSH DOWN ON EACH ROCKER ARM..A BAD ONE WILL BE SOFT..A GOOD ONE WILL BE HARD..NO LASH..TO REPLACE..YOU REMOVE ROCKER SHAFT BOLTS AND ROCKER SHAFTS..YOU CAN PURCHASE ONLY THE ONE(S) YOU NEED..BE CAREFUL WHEN YOU REMOVE ROCKER SHAFTS..THE LIFTERS CAN FALL OUT..GET A STICKY GREASE TO HOLD THEM IN ROCKER ARMS DURING REASSEMBLY..I HOPE THIS HELPS
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