Question about 1994 Chevrolet C1500

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I have a 94 z-71 tbi, hesitates while driving, gets worse when warms up. does not over heat

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Replace fuel pump assy

Posted on Jul 03, 2009


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When i start the truck it run ok but as soon as it warms up or get shifted into gear it hesitates like its not getting fuel, an injector is bad maybe a

I would be looking at two things.
1. Vacuum leak. This can cause the hesitation by making the fuel mix too lean.

2. Temperature sensor. If worse when fully warmed up, this can be a cause.

Dec 03, 2015 | Cars & Trucks

1 Answer


MIL on? Plugs, wires, dist cap & rotor, MAF sensor, hard to say with such a vague statement.

Jul 23, 2014 | 1987 Nissan Pathfinder

1 Answer

My 1998 Ford Explorer is running rough. It feels like it's hesitating or skipping, especially until it warms up. At the same time it hesitates you can hear a loud sound coming from underneath the

Did they not road test for 20 miles or take scan tool &
another person along to look at data

Maybe another few shops until you find some knowlegdable

From what I see on this site that won't happen any time soon

Hate to see you at a dealer,their even worse sometimes

Nov 29, 2012 | 1998 Ford Explorer

1 Answer


You must do a fault code test, anytime the check engine light comes on a fault code is set in the computer control units memory. To do this test without any special tools follow the instructions at the link below.
FAQ How to read older GM codes for free

Jun 08, 2017 | 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

3 Answers

88 dodge ram charger 5.2 ltr engine....intermittant spark

I have a 1988 dodge ram charger with a 318 motor with throttle body. It runs really good when I start it up and drive it for about a half of an hour.
But after that when I step on the throttle a little bit, it hesitates. If I let off a little bit, it will go or if I really step on it, it will go also, but if I just hold it there, it really hesitates If I stop, the idle jumps up and down so much it causes itself to stall. It seems to only do this at low RPM's. If the RPM's are higher it's fine

Jul 02, 2009 | 1988 Dodge Ramcharger

1 Answer

Hesitation while driving 1995 jimmy

Sound like the TBI is flaking out. Get TPS checked and any other electrical part on TBI checked.

Feb 07, 2009 | 1996 GMC Jimmy

2 Answers

Hesitates like it want to flood when starting, Getting worse

Could be aging ignition cables letting you know that winter is coming and the condensation that can form overnight can invade cracks that can bleed off some of the high voltage you need at the spark plugs. After the engine is warm, leaky cables can temporarily 'heal,' drying out and losing less than when cold.
If they are sufficiently bad, sometimes you can see some sparkling going on under the hood if you park in a dark area. 
If you have 50k on your plugs, it may be time to replace those too.  

Oct 02, 2008 | 2001 Nissan Sentra

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