Question about 1989 Chevrolet C3500

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Want to change tbi to carb how much trouble would it be and what would i need

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You would need a intake,carb, old hei dist w vac advance and elect fuel pump for carb

Posted on Jul 12, 2009

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SOURCE: Help w 1994 chevrolet truck

disconnect the batt. is your fuel pump running check fuse listen for it

Posted on May 28, 2009

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A new sensor was installed on TBI carb. to control air plus the new high volume gas pump. Did same show when driving. What else could be?


No such thing as a TBI carb. It's either fuel injected or carb, not both. What are the symptoms and What's the year, make, model and engine?

Jul 08, 2017 | Cars & Trucks

1 Answer

89 chevy 4.3 v6 tbi


Check the TBI base gasket, these were known for sucking in near the vacuum hoses in the front. Use a tube to your ear to pinpoint the base of the TBI or spray carb cleaner at the base it will change the idle when it sucks in the cleaner. I will check back to see if this solves the problem. code 13 can be for the O2 not cycling between rich and lean. Vacuum leaks cause lean condition.

May 03, 2014 | Cars & Trucks

1 Answer

How do i find my fuel sensor on my 94 safari van tbi motro


You don't have a carb

No fuel sensor on a TBI

There is no trying parts on any vehicle

You component test sensors & other items to see if they work
correctly & find the real issues

Parts are only installed when they fail a test

There are no brains either & computer modules seldom fail

Feb 02, 2013 | Cars & Trucks

2 Answers

I need to locate the accelerator pump on a Chevrolet c1500 5.7 v8 RBI


no accelerator pump on tbi, only on carburated engines

Nov 24, 2012 | Cars & Trucks

1 Answer

I have a 1995 chevy k 1500 350 tbi it hesitates when trying to accelerate changed plugs wires cap and rotor it dose have aftermarket tbi and performance intake it dose it hot or cold thanks


hesitation with TBI is sometimes a dirty Injector, make sure you have a good fan pattern on the injector and make sure its responcive. use a nylon wire brush to clean the tip, and alot of carb cleaner, also make sure that your butterfly moves freely, they tend to get gue/carbon build up on them and this will also cause a hesitation

Sep 22, 2011 | 1995 Chevrolet K1500

1 Answer

Misses at idle....have changed plugs dist cap wires still misses


you may have a vacuum leak ck hoses. If its tbi injected it could be the gasket. TBI is Thottle body Injection looks like a carb

Sep 03, 2010 | 1998 GMC Jimmy

4 Answers

90 chevy 4/4 pu tbi 350 floods out


I'm having the same trouble with the flooding after warm start...if it's the temp sensor, would the temp gauge be working? It's in a 1991 Chevy van with an injected 350 carb.

Jul 08, 2010 | 1991 Chevrolet C1500

2 Answers

1990 Buick Century,F.I. was dirty,car ran rough,son,trying to help sprayed carb cleaner on what he thought was a carb,not running at the time,now it needs to be primed to start,can l do anything ?


he was spraying into a throttle body that consists of an injector(TBI). these cars suffer terribly from EGS(ethanol gas syndrome). Do these simple steps. First; change out fuel filter(buy 2 of these-get the cheapest ones you kind find). Buy a can of SEAFOAM when you get the filters. You need to fill tank with as much Premium fuel as you can.<p>
Change out filter, add SF to gas. Keep car running at least 5 minutes on as steady an idle as you can. Drive car hard for at least 2-3 miles. When you get it home; change out fuel filter again.<p>
The fuel and the emission systems should start to get better. One other thing: buy a new PCV valve(probably cost4-6 bucks) replace it also.<p>
Clean out air filter or replace. Do not!, use carb cleaner or ether again. This should be helpng the cleansing process by now. Your car is full of corn liquor by-product and excessive amounts of water. It's in your fuel; your emission systems and your TBI. Your pump may be filled with it, and not have enough Psi to allow the pump to pump properly. In extreme cases, we've had to replace pump, remove fuel tank and clean it.<p>
When this is all done, always add SFoam every 3-5000 miles to prevent this from happening again.<p>
And at times; the crank/cam sensor has to be replaced.<p>
I don't know how much this car is worth to you, but this is simplier than buying an engine.<p>
The worst case I've seen is the ethanol burns a valve and it has to be rebuild. So try this, I think you can rescue it. Good Luck.

Sep 07, 2009 | 1990 Buick Century

1 Answer

Have an 88 Chevy c1500 305 Eng i want to change tbi to carburetor


2bbl intake will not fit 87-95 small blocks heads are diferent from pre 86.the center bolts on your manifold are angled different than the front and back bolts.your 2bbl manifold has the same angle bolts front to back.i converted my buddies 89 to carb,had to make adapter plate for carb.but to make a long story short there is a lot of power loss and fuel economy your better of with tbi.

Mar 26, 2009 | 1988 Chevrolet C1500

2 Answers

Help w 1994 chevrolet truck


This injector set-up needs a specific fuel pressure supplied to the fuel rail to even start, much less run properly. The fuel pump is immersed in fuel inside the gas tank to keep it cool and not burn up. Running the fuel level low causes more heat in the pump and interuptions in proper fuel pressure. AC/Delco pumps have proven to be a reliable fix, the aftermarket pumps only last for a month or two sometimes. Check fuel pressure under the hood and power and ground to fuel pump at electrical harness at top of gas tank. This truck needs a fuel pump.

Aug 18, 2008 | 1994 Chevrolet C1500

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