mattP Posted Saturday at 04:30 PM Report Share Posted Saturday at 04:30 PM (edited) I have a weird issue where the car will stumble and stall in D or R, but in neutral and park its perfectly fine. I had the P0456 and P1450 codes so I replaced the evap purge valve. My car has 194k miles and I find that I have to replace this valve every 80k miles or so. Anyhow, this time around I replaced the purge valve and it did NOT fix the issue. Someone had me check out the vapor canister vent valve as well, that did not fix my issue. Any ideas? My gut tells me it's fueling related because the car smells like gas when I put it in D or R. Edited Saturday at 06:28 PM by 1004ron Quote Link to comment Share on other sites More sharing options...
mattP Posted 14 hours ago Author Report Share Posted 14 hours ago So i ended up running the tests that livernois has on their handheld and I saw a P1116 code. I spent 7-8 hours tearing the car apart to get to the coolant temp sensor and replace it. I ended up breaking the tiny overflow line so I'm just waiting on that to come in to button the car up. Quote Link to comment Share on other sites More sharing options...
1004ron Posted 13 hours ago Report Share Posted 13 hours ago What did you use to read the codes previously? Quote Link to comment Share on other sites More sharing options...
1004ron Posted 13 hours ago Report Share Posted 13 hours ago I doubt that a bad coolant sensor would result in the symptoms you describe. Quote Link to comment Share on other sites More sharing options...
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