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87 K1500 map sensor light keeps coming on after replaced 3…

Customer Question
87 K1500 map sensor...

87 K1500 map sensor light keeps coming on after replaced 3 times truck will not accelerate under a load when in gear.

Mechanic's Assistant: How old is the transmission? Have you checked the brake switch?

Original trans.

Mechanic's Assistant: What is the model of your '87 Chevy?

Have not checked brake switch.

Mechanic's Assistant: Are you fixing your vehicle yourself? What have you tried so far?

K1500 4 by 4 pickup.

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

Etc tune up everything.

Submitted: 4 months ago.Category: Chevy
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Answered in 10 minutes by:
3/17/2018
Chevy Mechanic: Jerry Newton, Chevy Technician replied 4 months ago
Jerry Newton
Jerry Newton, Chevy Technician
Category: Chevy
Satisfied Customers: 5,694
Experience: ASE Master Technician, L1, Master GM Technician. Over 20 years of bumper to bumper GM experience.
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You’re getting a trouble code?
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Customer reply replied 4 months ago
I said map sensor code keep appearing.
Chevy Mechanic: Jerry Newton, Chevy Technician replied 4 months ago
What is the code number?
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Customer reply replied 4 months ago
34
Chevy Mechanic: Jerry Newton, Chevy Technician replied 4 months ago

OK. Sorry for the delay, you caught me close to midnight last night. East Coast dweller.

This has throttle body injection, yes? 87 was a crossover year, just want to make sure we're talking about the right vehicle.

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Chevy Mechanic: Jerry Newton, Chevy Technician replied 4 months ago

Did you get this worked out?

Please take a moment to rate my answers by clicking on the stars at the top of the page, that's how I get compensated. If you need more help, just let me know, I am happy to follow up.

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