: > : > > If you had your car at a dealer for $2600 of repiars and they : >couldnt fix : > : > > a stupid miss I'd say you have an extremely shitty mechanic. : > : >
: > : > I agree. the EGR valve and MAF are the firt things that any : > : > competant mechanic should check, then the timing chain, then : > : > the camshaft sensor. : > : : > : They wanted to charge me $2600 for a few repairs... like $1000 for the : > : intake gasket! Needless to say, it didn't quite happen.... : > : : > : Also, I have replaced the PCV valve. The cheap $2 valve was one of : > : the first things tried. : > : : > : I did pull off the EGR today and I noticed some drops of watery : > : condensation in it. Other then that it didn't look like there was any : > : sort of EGR part to clean. But I'm going to look into it tommorow : > : again. : > : : > : I don't know about the MAF, since it's not sending any engine codes... : > : but you never know. : > : : > : The fuel pump or fuel pump regulator seems possible based on some : > : other posts I've read. The best bet may be to bring the car into : > : somebody and have them diagnosis it.... any other ideas? : >
: > That watery substance is a mix of water and distilled : >alcohol/gasoline/oil. Probably more water than anything else really. : >
: > Again, I this doesn't sound like a recirculation problem or a MAF sensor : >problem. But hey...what do I know. : >
: > Martin : > '01 Formula - MTI Air Box Lid, K&N Filter, Hurst-6, : > SLP Cold Air Induction & Smooth Intake Bellow : > Corsa Catback w/Premium Tips : > '83 V45 Magna : >
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: : Original poster: : : Throw out your Haynes manual. Useless book for any serious repair. Up the ducks : and get a GM shop manual. : : With that being said: : : 1) Your MAF can be checked by any parts store that deals in remanufactured : electronics. It can be sent out to their supplier for testing and functional : checking if you suspect a MAF problem. : : 2) A shitty air filter will cause MAF problems with paper dust insulating the : MAF and causing all sorts of trouble. Many times, you can use electronics spray : to clean it gently. : : 3) GM EGR valves on this and many models flat out stuff up and clog. The
4.3 : Vortec GM engines as used in Blazers of the S10 variety are notorious cloggers, : code setters and stallers. : : Many GM cars and trucks have EGR base plates that must be cleared out when : doing an EGR service as they will either cause problems or reset a light again. : : Fuel pressure should be checked with a reliable hand-held gauge before you damn : any parts being bad back there. This is an expensive and frustrating mistake if : you change a fuel pump that is not the problem. : : With that being said, start here and tell us what you find. : : : Joe--ASE Certified Parts Specialist & 10th Ann.Club Tech Director : '80 Carousel Red Turbo T/A, 26k orig. : '79 "Y89" 400/4 speed 10th Ann. T/A, 57k orig : '84 Olds 88 Royale Bgm 2 dr, 307 "Rocket" (lol), 141k and still going.... : '80 T/A project car...
Good point Joe. Oil film on the sensor(s) can also cause problems.
Martin '01 Formula - MTI Air Box Lid, K&N Filter, Hurst-6, SLP Cold Air Induction & Smooth Intake Bellow Corsa Catback w/Premium Tips '83 V45 Magna