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Chevrolet Blazer Engine and Performance Problems

140 messages,  Last post on Aug 25, 2009 at 11:27 AM

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#78 of 140 Re: Engine missfire [bladeturner] by repairdog Feb 24, 2007 (3:56 am)
Replying to: bladeturner (Feb 22, 2007 11:10 pm) Could be lots of things at that mileage. Fuel pressure needs to be 60psi for cold start so that is one to check first and thats usually the pump in the tank. Then on to a full tuneup with cap/rotor, plugs, wires, fuel filter, air, PCV, clean MAF sensor, etc you get the picture. Then possible wiring or sensor, connector, etc.
#80 of 140 Melted vacuum lines by hayesatlbch Feb 09, 2007 (1:29 pm)
Color me unlucky ( I wasn't really stupid was I- no answer required on that )   My 86 S-15 Jimmy ( 1992 engine )311,000 miles, 2.8, started having a slow idle and stalling( ran fine) so I figured I would find the vacuum leak with starting fluid. Found it,(vacuum fittings on air cleaner) idle came up so I turned it off and walked away to find a small fire by the fire wall when I came back a few minutes later.   It could have been worse. The coil and electrical connectors on them were partly melted along with the insulation on the wires going to the connectors ( but they are identifible by going back a few inches) and the distributer cap melted up one post.    What is that box mounted with the coil with what looks like heat fins on it?   I will go to the Junk yard an get a coil ( I need the connectors on top too) along with that box I can't identify ) replace the distributer cap and then I am stuck.   Maybe I will get lucky and find the vacuum hoses and fittings also but I have the feeling that without something showing me where all the vacuum lines come from and go I am going to be in trouble. I ordered a Chilton Manuel maybe they will have a diagram.   Any ideas for someone who is kind of a parts replacer rather than a mechanic?   I am also posting as a Public Service Announcement that ether ( starting fluid ) can take some time to ignite so don't walk away soon. Replies to this message: repairdog (Feb 10, 2007 4:34 am)
#81 of 140 Re: Melted vacuum lines [hayesatlbch] by repairdog Feb 10, 2007 (4:34 am)
Replying to: hayesatlbch (Feb 09, 2007 1:29 pm) Sounds like the ignition module (1x2" IC pack). Good luck. You can buy new connectors at many stores.
#83 of 140 MAF on 95 S10 Blazer by sccadsr31 Sep 24, 2006 (6:37 pm)
Can anyone tell me if my 1995 4.3L S10 Blazer Vin W has a MAF and is so where is it located. I have looked and do not see what I generally recognize as a MAF. Thanks David Replies to this message: repairdog (Sep 25, 2006 1:56 pm) sccadsr31 (Sep 25, 2006 8:55 pm)
#84 of 140 Re: MAF on 95 S10 Blazer [sccadsr31] by repairdog Sep 25, 2006 (1:56 pm)
Replying to: sccadsr31 (Sep 24, 2006 6:37 pm) None on 95 - started on 96up with newer injection. You have a MAP sensor or mass air pressure on the manifold. Replies to this message: sccadsr31 (Sep 25, 2006 8:55 pm)
#85 of 140 Re: MAF on 95 S10 Blazer [repairdog] by sccadsr31 Sep 25, 2006 (8:55 pm)
Replying to: repairdog (Sep 25, 2006 1:56 pm) Thank you and does the MAP sensor need cleaning like the MAF?
#87 of 140 Pulling module from inside distributor by lynderae Feb 23, 2007 (2:29 pm)
I am trying to pull the module inside the distributor. The problem is when i took the rotor out the module is under something metal. Do I have to remove the whole distributor to remove it or is there something I am missing. Replies to this message: repairdog (Feb 24, 2007 3:51 am)

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