Intermittent check engine
#1
Rennlist Member
Thread Starter
Intermittent check engine
I just got the 2004 4S Cab with 71K miles 3 days ago. Working on some 'cosmetic' type stuff (leaks, brakes, etc) when I noticed today that on deceleration (after pushing it hard) the yellow triangle will flash. It goes away after 5-15 seconds.
I need to plug in my reader but in the meantime, is this indicative of anything in particular?
996 Newbie
I need to plug in my reader but in the meantime, is this indicative of anything in particular?
996 Newbie
#4
Rennlist Member
#6
Rennlist Member
What size tires are you running?
#7
Rennlist Member
OK...so it's not a CEL that's good. PSM light can flicker on if the PSM sensors intervene in your handling - here's what's said in the manual:
The light indicates PSM intervention even
when PSM is switched off (brake regulation in
the event of one-sided wheel spin).
The light indicates PSM intervention even
when PSM is switched off (brake regulation in
the event of one-sided wheel spin).
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#14
Nordschleife Master
Go to one of the tire diameter calculators and see how close they r. Since u r a c4 they have to be pretty close, 1-2% i think? Im also pretty sure the psm works off the abs sensors so it reads excess spin and pulses the abs.
Your car probably had 18's origianlly but if the 19's fit and they r close in diameter it wont hurt the car.
Your car probably had 18's origianlly but if the 19's fit and they r close in diameter it wont hurt the car.
#15
Rennlist Member