Awhitewookie Posted November 22, 2011 Report Share Posted November 22, 2011 I am having power issues with my 1996 svt cobra. It has been doing it randomly the past week but now is consistent whenever the engine is cold. In 1st and 2nd gear it is blatantly obvious and sometimes in 3rd, almost exactly on the 3300rmp mark I lose about 25%-35% power. It acts as if I let off the gas and got back on it. I have thoroughly cleaned the intake and MAF and the problem still persists! Any help is greatly appreciated! Some parts that have been mentioned to me to replace: IMRC plates Coil pack MAF sensor TPS sensor Plugs and wires 11-18-11 I used Seafoam today and cleaned a bunch of crap out, so far its running a lot smoother but still have my problem. 11-20-11 Finished cleaning the entire intake and IMRC plates today. Runs so much better and smoother... however my problem still persists. Looked like a birds nest sitting under my intake o.O Quote MY BUILD 1998 Ford Explorer 2dr sport 1/0 Big 3 1/0 everything Alpine cda-9884 Crescendo CZ components (2) Crescendo bc2000's (2) Jolt 150ah (2) Yellow top optimas (1) Juicebox black cherry addition (1) Mechman 270 avbm miss my bc5500 and (4) 15's You know why people are ass holes online but not in person? Because getting punched in the mouth hurts. Link to comment Share on other sites More sharing options...
Bigsix Posted November 22, 2011 Report Share Posted November 22, 2011 Possibly ignition related...def check coil packs and plugs. Have coils tested and if youre gonna go thru the effort of pulling the plug, might as well just throw a new set in regardless... its cheap insurance. Pull the plugs and post a screen shot of them... might get an idea of whats going on in there from how the plugs look. Quote 1999 Lincoln Town Car-(build underway) - (2) SA15s, 4th order, DAT 2500.1, O2 mids n highs, 250a alt, HC 2400, Big 3.... 1994 Pontiac T/A for speeding tickets.- - Currently on jack stands, wanting to be a real race car "Your local forecast, all the ladies in the metro area should expect to see 8 inches tonight" - The Todd Decaf, on 01 November 2011 - 02:38 PM, said: i provide the ammo for destruction, the trigger finger is connected to the volume knob tho URBAN GORILLA AUDIO Link to comment Share on other sites More sharing options...
herbykw Posted November 22, 2011 Report Share Posted November 22, 2011 I had a similar problem in my 02 Monte Carlo. It was the mass airflow sensor. Try getting the MAF cleaner if that makes a good difference that might be the problem. Look in it and make sure the little sensors are clean and shiny. Good luck Quote 06 300C 5.7 Hemi K&N CAI JVC KW-AVX640 6.1" DVD DC Audio 3.5k 6 DC Audio 8"s 6 cubes 8" aero port at 32hrtz http://www.stevemeadedesigns.com/board/topic/183798-chrysler-300c-8-build/?p=2731834#entry2731834 Link to comment Share on other sites More sharing options...
HatersGonnaHate Posted November 22, 2011 Report Share Posted November 22, 2011 Also have a vacuum test done to make sure there's no leaks or a clog in the cats/exhaust system. Quote My name is AdamThis is my Civic Build.7" Samsung Tab 2Kenwood KDC-X896Clarion EQS746Sundown X-15DC 3.5k @2ohmHatersGonnaHate's 02 Civic UBLELD Bypass for Honda Civic/Accord/FitDon's Jeep Grand Cherokee Rebuild N8ball2013 - i think you'd stick your dick in a blender if it told you it was 40 wtih two kids your age. lol srp365 - If posting were picking up bitches, I'd be going home single tonight looks like tony montana sneezed in your car. Link to comment Share on other sites More sharing options...
Awhitewookie Posted November 22, 2011 Author Report Share Posted November 22, 2011 Possibly ignition related...def check coil packs and plugs. Have coils tested and if youre gonna go thru the effort of pulling the plug, might as well just throw a new set in regardless... its cheap insurance. Pull the plugs and post a screen shot of them... might get an idea of whats going on in there from how the plugs look. I pulled the plugs on 11-18-11 and they were absolutely filthy, and got new ones. However i forgot to do the seafoam BEFORE installation of the new plugs. So right now my new plugs have had the abuse of seafoam and are white. I am installing new plugs and wires tonight, Ill let you know the results. Unfortunately i do not have money for new coil packs right now:/ I had a similar problem in my 02 Monte Carlo. It was the mass airflow sensor. Try getting the MAF cleaner if that makes a good difference that might be the problem. Look in it and make sure the little sensors are clean and shiny. Good luck I cleaned the MAF with the specified cleaner, nothing different. thanks though! Also have a vacuum test done to make sure there's no leaks or a clog in the cats/exhaust system. No vacuum leaks, i thought of that too Quote MY BUILD 1998 Ford Explorer 2dr sport 1/0 Big 3 1/0 everything Alpine cda-9884 Crescendo CZ components (2) Crescendo bc2000's (2) Jolt 150ah (2) Yellow top optimas (1) Juicebox black cherry addition (1) Mechman 270 avbm miss my bc5500 and (4) 15's You know why people are ass holes online but not in person? Because getting punched in the mouth hurts. Link to comment Share on other sites More sharing options...
teardrop Posted November 22, 2011 Report Share Posted November 22, 2011 whats compression on all the cylinders could be a vlavle floating or burnt or push rod Quote Link to comment Share on other sites More sharing options...
HatersGonnaHate Posted November 22, 2011 Report Share Posted November 22, 2011 Have you checked timing and fuel pressure yet? Quote My name is AdamThis is my Civic Build.7" Samsung Tab 2Kenwood KDC-X896Clarion EQS746Sundown X-15DC 3.5k @2ohmHatersGonnaHate's 02 Civic UBLELD Bypass for Honda Civic/Accord/FitDon's Jeep Grand Cherokee Rebuild N8ball2013 - i think you'd stick your dick in a blender if it told you it was 40 wtih two kids your age. lol srp365 - If posting were picking up bitches, I'd be going home single tonight looks like tony montana sneezed in your car. Link to comment Share on other sites More sharing options...
CleanSierra Posted November 22, 2011 Report Share Posted November 22, 2011 I would visit a Mustang forum as I'm absolutely POSITIVE they could diagnose this problem in about 15 seconds. Also, there are a couple die hard Mustang guys on here. 727Designs knows a thing or two about them I think, and a few other know the Fox body Mustangs very well. Quote Im not the one you want to try to troll. Just a fyi for you. Link to comment Share on other sites More sharing options...
OrionStang Posted November 22, 2011 Report Share Posted November 22, 2011 How many miles are on the motor? A lot of heavy footed driving? I agree with checking compression of each cylinder. Also check the valvetrain, although issues there usually have noise with them. Quote SMD Super Seller My Feedback Thread Link to comment Share on other sites More sharing options...
Socky Posted November 22, 2011 Report Share Posted November 22, 2011 i was gonna say compression test, then check see if all cylinders are firing. I had a friend who was running on 3 cylinders on a 5.0 foxbody. He found out after he sold it lol. Quote Jeep Cherokee 4dr -4.75 in front, new rusty's 4.5 in rear leafs -micky thompson 35x14.50x15 -locker rear -Rusty's offroad Engine/transmission/transfer case/crossmember/gas tank skid plates -Warn front bumper with 8000lb winch -Custom rear bumper -Warrior product tube doors (summertime) -Optima redtop (starter) -26XK miles and still runs like a bat out of hell Kenwood H/U 1/0 wire, 136 amp alt 200 ah batteries 12.7 daily 2 Apsm 1500 @ 2 ohm strapped on zv3 d1 with ns softparts Mb quart 125.4 wired to 4 aura 6's 3.6 cube box tuned to 36 plays down to 23hz Link to comment Share on other sites More sharing options...
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