Z zach1288 New member Mar 28, 2017 #1 Once your truck is warm and idling do the RPM's every change? I think I only notice this when it's warm outside, mine(V6) usually idles at 600RPM but sometime I notice it will increase to 800 for a second then fall back down. Is this normal? Thanks.
Once your truck is warm and idling do the RPM's every change? I think I only notice this when it's warm outside, mine(V6) usually idles at 600RPM but sometime I notice it will increase to 800 for a second then fall back down. Is this normal? Thanks.
kcdehart New member Mar 28, 2017 #2 It's most likely because accessory kicks in for a second and needs a bit more power
Z zach1288 New member Mar 28, 2017 #3 kcdehart said: It's most likely because accessory kicks in for a second and needs a bit more power Click to expand... That was I was thinking, but the fan isn't electric, I didn't have the A/C on and I figured the P/S pump and Alt. are always pulling power?
kcdehart said: It's most likely because accessory kicks in for a second and needs a bit more power Click to expand... That was I was thinking, but the fan isn't electric, I didn't have the A/C on and I figured the P/S pump and Alt. are always pulling power?
kcdehart New member Mar 28, 2017 #4 There's an air pump for the brakes (something with drawing air out of the master cylinder, I believe) that could be kicking in?
There's an air pump for the brakes (something with drawing air out of the master cylinder, I believe) that could be kicking in?