I put Hooker LTs on my car not too long ago and every time that it rains my car idles low (around 500 rpm) and seems to want to turn off. Any other of you had a problem like this? I have a new opti on it with new wires and plugs, but I know its not a coincidence that when it rains my car doesn't run right. any suggestions....?

 

i have the same problem ever since i installed pacesetter LTs..however i think my problem is coming from an intake leak that leaks oil onto my opti

 

Maybe you're splashing water on the O2 sensors?
Dunno it seems the only logical explanation. Those things are heated to give more exact measurements, so I assume cooling it off quickly with water would throw it off.
Good luck!

 

do you guys think that it may be because of water getting on the wires on the 02's since i did splice into them to make my own extensions..... NEED HELPPPP1!!!!

 

this morning when I was headed to school, it did the same. THis is what happens.....
It starts up fine, idles perfect..... Once I start driving in the rain.... it starts hesitating backfiring, no power, my car starts shaking, idles really low @ 500rpm, lights get dim, Check engine light starts blinking.... Then when it warms up completely after driving it like that for about 5 minutes, it goes on like nothing happened, pulls like a champ....
What do you guys think . . . . ????

 

check all wireing under the car, it seems like water is getting in the harness some where, some how

 

I have also talked to a LS1 owner that is having the same problem!!! WHAT THE
!$@*&# THis is starting to **** me off!!!!!!!!!!!!!!!!!!

 

Did you also put on a CAI system? My buddy put the SLP one on and cut the bottom out of the filter box. I told him he might have a problem with water puddles. Just a thought.

 

you can run engine without the O2 in the exhaust.. IE you can use a 2nd set if you have them and put them up under the hood where they wont get wet and go for a drive..

Also.. look at the possibility of shorting the batery to gnd via water.. IE water grounding out a wire.. maybe one of the heavier ones.. ALT or Starter. probably see voltage drop if that was the case... watch gauge.

 

friend was telling me about a situation like this last night. the guy had spliced his own wires for the extensions and started having similar problems that u are having. then he bout the extensions and it fixed it. i would give that a try! later

 

mine used to do it when my o2s were spliced. ever since i switched to the extentions, i have not had a problem.

 

Try replacing the coil. If they go bad, I understand that any moisture in the air will make them not as efficent. Try swapping one out with a buddy.

 

On my car, the air filter is sucking in water and getting the MAF wires wet. It will stumble, and hesitate. Same symptoms for too much oil on the K&N.

Make sure your air filter is dry, your MAF is not getting water.

My car hates rain.