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By Karl Owen
CEL went off over the weekend, Durametric showed a P2190 code.
Car is a 2007 C4S coupe w/ Tip at 69,000 miles. Basically bone stock, serviced at the dealer.
After checking with Durametric I opened the hood and noticed that the hose clamp connecting the wide Y hose from the airbox onto the intake manifold came loose. So I though there is a vacuum leak, took off the airbox, replaced the airfilter, cleaned the MAF. noticed a few ml of oil-like fluid inside the throttle body just at the level of the butterfly flap; so I cleaned that up. Tightened oil fill and gas caps. Reconnected everything, cleared the code but now it came back a day later. I have an appointment with the dealer in a few days.
Any suggestions what I can do to maybe fix this on my own? Many thanks
I have 2000 Porsche Boxster S that is misfiring on nearly every cylinder. It started with symptoms of a bad MAF; typical sluggish on take off, CEL light with the corresponding code. I would disconnect the wiring from the MAF and it would clear up. I cleaned the MAF and plenum and it ran perfectly for about a day. Ordered a new MAF. By before I had a chance to put the new one in I got a flashing CEL and a massive loss of power. Put in the new MAF. It cleared up some idle issues but the loss of power and flashing CEL is still there. The codes show random misfire and misfire on 2,3,4,5, and 6. I've also changed the spark plugs but it has had no effect.
I accidentally didn't tighten my gas cap after refueling and my check engine light came on. I drove it to a nearby Autozone and the code came back that it was the gas cap. I've been driving the car for the last 3 days and topped off with good premium gas but the light is still on. I contacted a Porsche dealer who advised that it will rest. The question is does anyone know how long it normally takes for the light to disappear? Ty
It looks like I'm going to be operating my 2000 Cab with 2 failed cats for a while. The only real downside for me is that this will bring on repeating CELs that I will have to have my indy mechanic regularly clear for me. It occurs that it would save me considerable time / trouble to purchase a basic OBD reader that will allow me to check, then cancel CEL on my own. If anyone has recommendations for such a tool, I would appreciate any advice available.
I took it to the shop and the car shows those system too lean in bank 1 and bank 2, do i have to replace anything?
The mechanic told me we should replace the coils in #4 and #5 because they are misfiring due to something.
Any ideas before i go buying new coils?