Does a Bad O2 /EGT cause RPM not to go over 4000
#1
Does a Bad O2 /EGT cause RPM not to go over 4000
1999 A4 1.8t Auto - Does a Bad O2 /EGT cause RPM not to go over 4000?
stupid question but does a 1.8T have EGT where is it located? diagram?
I read EGT can leave the Wastegate open causing no boost after certain RPM's
I have replaced Coils/ Plugs / ICM/ MAF/ checked for leaks ...also No codes
stupid question but does a 1.8T have EGT where is it located? diagram?
I read EGT can leave the Wastegate open causing no boost after certain RPM's
I have replaced Coils/ Plugs / ICM/ MAF/ checked for leaks ...also No codes
#5
RE: Does a Bad O2 /EGT cause RPM not to go over 4000
Only the 2.7T has EGT sensors, you can re-set limp mode just be erasing the faults. But something is causing you to go into limp mode.
Is this an automatic?
Is this an automatic?
#7
RE: Does a Bad O2 /EGT cause RPM not to go over 4000
Still check the fault memory in the gearbox and brake electronics. A faulty brake light switch can cause this, so could a faulty TR (transmission range) switch.
A bad O2 sensor would most likely throw a fault code.
A bad O2 sensor would most likely throw a fault code.
#10
RE: Does a Bad O2 /EGT cause RPM not to go over 4000
You need a VAG COM to test these systems.
The TR switch is the entire circuit board under the shifter assembly. The brake light switch does a lot more than just turn on the brake lights.
The TR switch is the entire circuit board under the shifter assembly. The brake light switch does a lot more than just turn on the brake lights.