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Code 71 is set only on California cars when the ecu checks for an increase in egr temp (in order to verify egr operation) and doesn't find it. Btw, instead of slamming the prior owner you might ask yourself what kind of Einstein takes his car in for a smog check with the MIL on.

Could've fooled me. You were stupid enough to: 1) title your post "how do I clear code 51". 2 jump on the guy who told you how based on that wording. 3) then admit you know how to clear it which is what your original question was. 4) not search for the answers you seek which have been posted...

It may be hard to believe but spending time in a nuclear wasteland *is* fun ;) Your comments were also right on. It's amazing how some guys are clueless about more than the car. I could count on two hands the number of guys here who know what they're doing and I'm always amused at how they...

I go abroad for a week and the first thing I see when I get back is this thread. Not nearly as entertaining as many of the threads in the N/A section but pretty good nonetheless. And Supracentral, it's a real pleasure to read your stuff.

Civil smivil. I'm not gonna let some wet behind ears snot nosed "smaat noob" tell me how the thing works when he obviously doesn't have a clue and can't even form a sentence. You can always ban my ass. Ever seen the ending to the film Platoon? Just do it ;). Good thing I'm on my way to...

The point many seem to not understand is a knock sensor fault does more than set code 52. When the knock sensor(s) is disconnected or otherwise faulted the ecu will retard timing. It retards timing in a different way than if the sensor was connected and sensing knock but retard timing it does...

<shakes head> ;)

That'd do it alright. Couldn't have picked a "better" one to leave off but you resolved it logically instead of flailing around. Good job.

Not being a dick, only using your post as an example of the misinformation that happens here. You should check your facts or state you're not sure....those less informed depend on the forum for accurate information. And yes, I was referring to your statement that higher octane leads to an...

Isnms: Unlikely he has a dashpot problem. Dashpot is only for emissions. When the TPS comes off IDL the ISCV remains fixed in the position it was just before the IDL contact opened. Assuming he had a decent idle prior to that it should pick up where it left off when IDL closes again. And...

Now that's exactly the kind of complete nonsense and misinformation I'm talking about. David: If you're going to come here and disseminate similair misinformation you're going to get called on it. I "obviously" never said timing wan't retarded when knock is detected. Of course it is.You're...

Do what mmmatt said. I've also done that in the past. The wetted parts of an oil sender can handle fuel and it doesn't "know" the difference. Some oil senders have an orifice but since fuel is much thinner it usually doesn't matter. Switching between them is a nice idea too. I'm not running one...

Relax, your packs are fine.

Good grief....and I thought the same thread in the turbo section was sorry. At least in that one there's some valid info. Shaeff seems to be one of the few with a clue.

Rot roh, another car won't start post. Got fuel pressure? Look at the bolt in the fuel damper or jumper the pump. Or give it a shot of starting fluid to see if it's fuel or spark. Course, a bad CPS wil give you neither. What coolant bypass "hotness" were you doing? Removing the hoses? Eugene...

I agree. Not to mention being precise in everything one does can be beneficial in other aspects of life. For example when I'm machining something I always try to work to a thou or below even if it's not critical. It's just good practice (literally) for when I need to. Course, that doesn't apply...

A few thou here, a few there...what difference could it possibly make? ;)

I don't know what you mean by "mechanical" gage but if it has a D'arsonval movment don't use it. You need to be real careful what you hook up to the lambda signal because it can be easily effected. Whatever you connect to it must have a hihg impedance and mechanical gages don't. In fact I know...

The enigne will not run as long as you have code 14. Follow the flow chart as Shaeff suggested. Here's what is supposed to happen: 1) Ecu reads crank angle (G1 and G2) and rpm signal (NE) from CPS. 2) Ecu outputs firing signal (IGt) and a two bit binary code (IGDa and IDGb) to ignitor. Code...