Car bogging bad

lvmustanggt · Mar 22, 2008

3 days ago I cleaned my maf with maf cleaner , clean my iac valve even it's been here only 6 months. Took all fuel injector out and clean it with brake cleaner

Now my car bogs down real bad at low rpm. If I just tap the gas and let it out then it barely idle and goes to like 200-300rpm and try to die unless I hit gas.

When I try to take out maf it damage the area where one of the screw socket got damage so I just superglue it to make it sit tight and nice. Can I just buy that black adapter where maf sits ? Where can I order it from ? My car runs like **** but at higher rpm and when engine warm then it seems to run fine.

I seafoam my car yesterday , half tank in fuel tank and half thrue vacuum upper intake. That didn't help.

Fuel filter is 1 month old, egr is 3 months old , iac is about 6 months old and spark plug is 6 monts old with autolite 764 copper

Did I damage my fuel injector cleaning with brake cleaner ?No DTS but my car is bogging real bad, even I smashed gas but nothing happen and almost no power at all but after few secound it runs fine. What might be the problem ? Going to change my old and spark plugs tomorrow.

Help

joshjwc9 · Mar 23, 2008

IDK if the brake cleaner affected the injector, but I would pull the plug out of that cylinder, if not all the plugs and see if one is fouled up. My buddy did that in his foxbody and I think he clogged that one injector up...

lvmustanggt · Mar 23, 2008

anyone else ? wow 40 view with 1 reply

97speedster · Mar 23, 2008

I think you screwed up with the brake cleaner on the injectors. Why didn't you just add some injector cleaner in your tank. Brake cleaner will remove paint from metal just think of what it would do to rubber o-rings.

lvmustanggt · Mar 24, 2008

just got done with oil change , spark plug change and cleaned iac again. I will see that happen tomorrow cause it's 11.25pm

All spark plugs were ok but one on the passenger side last one next to firewall had oil on it. I hope noting else wrong with my car or I will just sell this fu9ker.

Didn't use autolite copper this time, went with Motorcraft platinum AGSF 32PM

Green&GoldGT · Mar 24, 2008

Replace your PCV valve. It is probably clogged up and thats why you have oil on one of your spark plugs on the passenger side. I just picked one up at the dealer today and it was about 8 bucks.

Look and see if you have a vacuum leak around the valve cover gasket too. Did you spray brake cleaner through the inside of the injector holes?

I think the lack of driveability is from the aftermarket camshafts. My car is the same way during startup sometimes. It doesn't want to idle when its cold.

lvmustanggt · Mar 24, 2008

Green&GoldGT said:
Replace your PCV valve. It is probably clogged up and thats why you have oil on one of your spark plugs on the passenger side. I just picked one up at the dealer today and it was about 8 bucks.

Look and see if you have a vacuum leak around the valve cover gasket too. Did you spray brake cleaner through the inside of the injector holes?

I think the lack of driveability is from the aftermarket camshafts. My car is the same way during startup sometimes. It doesn't want to idle when its cold.

drove to work today and still got same problem with cold start bogging. I did spray brake cleaner to clean injector holes, pvc is only 6 months old but have lot's of oil on it. I am sure I have vacuum leak cause my car whistle around 2000 rpm but cannot find the leaks. I did spray carb and brake cleaner to locate vacuum leak but no luck so far.

Killa · Mar 24, 2008

Use NGK plug cheap and best one I ever use.

rabidscoobie · Mar 24, 2008

Im not sure if its safe or not on these newer cars but in the past on 80's and 90's model cars I would use starting fluid(aresol can) and spray the vacumm lines while car was running.if the idle changed there was the leak,other than that I

Green&GoldGT · Mar 25, 2008

Have you reved the engine while it is at sitting and listened for the whistle? You should check around everything that has been disconnected, especially around the plenum.

lvmustanggt · Mar 26, 2008

Green&GoldGT said:
Have you reved the engine while it is at sitting and listened for the whistle? You should check around everything that has been disconnected, especially around the plenum.

hours and hours with no luck. If I am under my car it sounds like comming from transmission , if I hear up top it sounds like back of the engine but no luck yet. It's been more then year now and still cannot find where it's comming from. I need to find some shop who does smoke to detect leak.

lvmustanggt · Apr 7, 2008

look what I change today, all 8 accel coil on plugs.

Brute03 · Apr 8, 2008

so ummm..... did the new coils fix it?

lvmustanggt · Apr 20, 2008

fixed, change both upstream o2 . no bogging yayyyyyy.
No DTC code was there so there was no way to tell what was wrong. Change spark plug no luck, change coil on plugs with all 8 new accel plugs no luck. I just change both upstream o2 with stock oem and problem solve. Plus I change valve cover gasket so there is no oil leak. I think something happen to my o2 when I did seafoam last time as this bogging thing stared after that. No more seafoam for me .

GettinThere · Apr 20, 2008

lvmustanggt said:
fixed, change both upstream o2 . no bogging yayyyyyy...

Thanks for finishing the story, letting us know what solved your problem.

You've been pulling your hair out with this, glad this has a happy ending.

lvmustanggt · Apr 20, 2008

And I found out that my upr cats x-pipe is leaking where the welds are so I patch it with gasket maker so I think there is no leak. Car runs so fast now that feels like good old days when I just got my cams done and was pulling 292rwhp.

Just to let everyone know that as for sensor goes that we should stick with OEM .

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