has anyone ever tried the gumout service for $100 from pepboys. Its suppost to clean the injectors and the throttle body.

 

I wouldn't take my lawn mower to Pep Boys. Get a bottle of BG44K and pour it in the tank instead. $20/bottle at some chevrolet service dept parts counters. Best pour-in injector cleaner out there. Short of that, try the Sea Foam process. But don't trust it to Pep Boys.

 

i hear alot of people say that after they use fuel injection cleaner there car some how stops working. does it really affect the injectors.

 

I don't believe there is any magic elixir available over the counter. I've fed 3M Port Injector Cleaner directly into the rail without any benefits (good or bad), and I've had a Dealer clean the poppets on a truck I use to own which did clear a misfire code. I'd spring for taking them off and having them cleaned and flow balanced or just replace them, but why do you suspect they need cleaning? Is this a '96? If so and if you're in CA, there's a 200K warranty on some (if it's throwing any of the misfire codes).

 

the reason i wanted to clean the injectors and the trottle body is beacuse it has 104,000 miles on it.Do you suggest to leave it alone.

 

Send them to Rich at http://www.cruzinperformance.com/ He's got a real fast turnaround and gives you a report like this.... RANSOME BERRY
6432 CARSON DR
OLIVE BRANCH, MS 38654

Date: 7-13-06
Vehicle: 92 CORVETTE
Model: 280 150 945
Injector serial #: 607131-607138


Preliminary Test Results
Test pressure = 43.5 psi Injector No.
1 2 3 4 5 6 7 8
Test 1. Injector Resistance 14.8 14.7 14.8 14.7 14.7 14.7 14.8 14.7
Test 2. Leak Down Test (Pass / Fail) P P P P P P P P
Test 3. Spray Pattern (Good / Fair / Poor) G G G G G G G G
Test 4. 60 Second Pulsed Flow Delivery (mL) 85 84 83 84 85 84 84 84
Test 5. 100mL Pulsed Volume 100 99 98 99 100 99 99 99
Test 6. 15 Second Static Flow (mL) 88 88 87 87 88 88 88 88
Test 7. 100mL Static Flow 0 0 0 0 0 0 0 0
Approximate pound-per-hour flow 30.1 30.1 29.76 29.76 30.1 30.1 30.1 30.1

Test Results After Service
Test pressure = 43.5 psi Injector No.
1 2 3 4 5 6 7 8
Test 1. Leak Down Test (Pass / Fail) P P P P P P P P
Test 2. Spray Pattern (Good / Fair / Poor) G G G G G G G G
Test 3. 60 Second Pulsed Flow Delivery (mL) 86 87 85 86 87 87 87 87
Test 4. 100mL Pulsed Volume 99 100 98 99 100 99 99 99
Test 5. 15 Second Static Flow (mL) 90 90 89 89 90 90 90 90
Test 6. 100mL Static Flow 100 100 99 99 100 100 100 100
Approximate pound-per-hour flow 30.79 30.79 30.45 30.45 30.79 30.79 30.79 30.79

Parts Replaced
Pintle Caps Seals O-Rings Screens Hoses Clips
8 0 16 8 0 0

Comments
Tests performed at 0.700 specific gravity.

 

BG44k not only gives your motor the best clean for fuel additives out there but for all you guys dealing with strict emissions laws like out here in CA it helps alot to lower emmissions and pass the test.

 

Is that like using a can of SeaFoam and following the directions for $5.88?

 

"BG44k not only gives your motor the best clean for fuel additives out there but for all you guys dealing with strict emissions laws like out here in CA it helps alot to lower emmissions and pass the test"

Come again??? Why hasn't the CA General Assembly made this mandatory to lower emissions??? Never see any mention of it at CARB??? Is Humboldt Gold still available (we can only get the finest that Baja has to offer down here)??? Have you been smoking any?

"the reason i wanted to clean the injectors and the trottle body is beacuse it has 104,000 miles on it.Do you suggest to leave it alone"

Assuming it's a '96, the OBD 2 system does a much better job at monitoring fuel delivery and if there was a problem, it would light up a code. To me, it's a judgement call, particularly if there are no performance issues. GM recommends ziltch (for the injectors) unless there is a code (and you might end up with one if you squirt the wrong stuff into the throttle body - WD40 - being one of them - don't ask me how I know! If you want to get an idea of what it's doing, hook up a scanner or perform an injector balance test (tester is available for about 80 Bucks at NAPA - you will also need a fuel pressure gage), but I seriously doubt it's going to show you anything other than it's working as designed.

 

Thats right... because the CA general assembly hasn't made this product mandatory and C.A.R.B has made no mention of it, it must be BS?? Sounds like you did get your hands on some of that Humboldt crap.

Do a little research on the product before you dismiss it on the fact CA doesn't tell you about it. After all CA is the one banking on your emissions $$.