diff --git a/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/engine/AbstractEngineNewPayload.java b/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/engine/AbstractEngineNewPayload.java
index 68adb2ab69c..c548507710d 100644
--- a/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/engine/AbstractEngineNewPayload.java
+++ b/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/engine/AbstractEngineNewPayload.java
@@ -497,7 +497,7 @@ protected ValidationResult<RpcErrorType> validateBlobs(
     if (header.getBlobGasUsed().isPresent() && maybeVersionedHashes.isPresent()) {
       if (!validateBlobGasUsed(header, maybeVersionedHashes.get(), protocolSpec)) {
         return ValidationResult.invalid(
-            RpcErrorType.INVALID_PARAMS,
+            RpcErrorType.INVALID_BLOB_GAS_USED_PARAMS,
             "Payload BlobGasUsed does not match calculated BlobGasUsed");
       }
     }
diff --git a/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/engine/EngineNewPayloadV2.java b/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/engine/EngineNewPayloadV2.java
index 08a6b6b3d0a..640d8dc6036 100644
--- a/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/engine/EngineNewPayloadV2.java
+++ b/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/engine/EngineNewPayloadV2.java
@@ -56,7 +56,7 @@ protected ValidationResult<RpcErrorType> validateParameters(
       final Optional<String> maybeBeaconBlockRootParam) {
     if (payloadParameter.getBlobGasUsed() != null) {
       return ValidationResult.invalid(
-          RpcErrorType.INVALID_PARAMS, "non-null BlobGasUsed pre-cancun");
+          RpcErrorType.INVALID_BLOB_GAS_USED_PARAMS, "Missing blob gas used field");
     }
     if (payloadParameter.getExcessBlobGas() != null) {
       return ValidationResult.invalid(
diff --git a/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/engine/EngineNewPayloadV3.java b/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/engine/EngineNewPayloadV3.java
index 8f7a32899ee..1ca232b7737 100644
--- a/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/engine/EngineNewPayloadV3.java
+++ b/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/engine/EngineNewPayloadV3.java
@@ -55,7 +55,10 @@ protected ValidationResult<RpcErrorType> validateParameters(
       final EnginePayloadParameter payloadParameter,
       final Optional<List<String>> maybeVersionedHashParam,
       final Optional<String> maybeBeaconBlockRootParam) {
-    if (payloadParameter.getBlobGasUsed() == null || payloadParameter.getExcessBlobGas() == null) {
+    if (payloadParameter.getBlobGasUsed() == null) {
+      return ValidationResult.invalid(
+          RpcErrorType.INVALID_BLOB_GAS_USED_PARAMS, "Missing blob gas used field");
+    } else if (payloadParameter.getExcessBlobGas() == null) {
       return ValidationResult.invalid(RpcErrorType.INVALID_PARAMS, "Missing blob gas fields");
     } else if (maybeVersionedHashParam == null || maybeVersionedHashParam.isEmpty()) {
       return ValidationResult.invalid(
diff --git a/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/engine/EngineNewPayloadV4.java b/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/engine/EngineNewPayloadV4.java
index 93060821f80..8b073a95552 100644
--- a/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/engine/EngineNewPayloadV4.java
+++ b/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/engine/EngineNewPayloadV4.java
@@ -55,8 +55,12 @@ protected ValidationResult<RpcErrorType> validateParameters(
       final EnginePayloadParameter payloadParameter,
       final Optional<List<String>> maybeVersionedHashParam,
       final Optional<String> maybeBeaconBlockRootParam) {
-    if (payloadParameter.getBlobGasUsed() == null || payloadParameter.getExcessBlobGas() == null) {
-      return ValidationResult.invalid(RpcErrorType.INVALID_PARAMS, "Missing blob gas fields");
+    if (payloadParameter.getBlobGasUsed() == null) {
+      return ValidationResult.invalid(
+          RpcErrorType.INVALID_BLOB_GAS_USED_PARAMS, "Missing blob gas used field");
+    } else if (payloadParameter.getExcessBlobGas() == null) {
+      return ValidationResult.invalid(
+          RpcErrorType.INVALID_PARAMS, "non-null ExcessBlobGas pre-cancun");
     } else if (maybeVersionedHashParam == null || maybeVersionedHashParam.isEmpty()) {
       return ValidationResult.invalid(
           RpcErrorType.INVALID_PARAMS, "Missing versioned hashes field");
diff --git a/ethereum/api/src/test/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/engine/EngineNewPayloadV2Test.java b/ethereum/api/src/test/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/engine/EngineNewPayloadV2Test.java
index 412dc6f8927..afee556eda2 100644
--- a/ethereum/api/src/test/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/engine/EngineNewPayloadV2Test.java
+++ b/ethereum/api/src/test/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/engine/EngineNewPayloadV2Test.java
@@ -17,6 +17,7 @@
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.hyperledger.besu.ethereum.api.jsonrpc.internal.methods.ExecutionEngineJsonRpcMethod.EngineStatus.INVALID;
 import static org.hyperledger.besu.ethereum.api.jsonrpc.internal.parameters.WithdrawalParameterTestFixture.WITHDRAWAL_PARAM_1;
+import static org.hyperledger.besu.ethereum.api.jsonrpc.internal.response.RpcErrorType.INVALID_BLOB_GAS_USED_PARAMS;
 import static org.hyperledger.besu.ethereum.api.jsonrpc.internal.response.RpcErrorType.INVALID_PARAMS;
 import static org.mockito.Mockito.lenient;
 import static org.mockito.Mockito.mock;
@@ -149,8 +150,8 @@ public void shouldValidateBlobGasUsedCorrectly() {
     var resp =
         resp(mockEnginePayload(blockHeader, Collections.emptyList(), List.of(), null, null, null));
     final JsonRpcError jsonRpcError = fromErrorResp(resp);
-    assertThat(jsonRpcError.getCode()).isEqualTo(INVALID_PARAMS.getCode());
-    assertThat(jsonRpcError.getData()).isEqualTo("non-null BlobGasUsed pre-cancun");
+    assertThat(jsonRpcError.getCode()).isEqualTo(INVALID_BLOB_GAS_USED_PARAMS.getCode());
+    assertThat(jsonRpcError.getData()).isEqualTo("Missing blob gas used field");
     verify(engineCallListener, times(1)).executionEngineCalled();
   }
 
diff --git a/ethereum/api/src/test/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/engine/EngineNewPayloadV3Test.java b/ethereum/api/src/test/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/engine/EngineNewPayloadV3Test.java
index c19bb8fbcbd..82025888176 100644
--- a/ethereum/api/src/test/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/engine/EngineNewPayloadV3Test.java
+++ b/ethereum/api/src/test/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/engine/EngineNewPayloadV3Test.java
@@ -198,7 +198,7 @@ public void shouldValidateBlobGasUsedCorrectly() {
 
     final JsonRpcError jsonRpcError = fromErrorResp(resp);
     assertThat(jsonRpcError.getCode()).isEqualTo(INVALID_PARAMS.getCode());
-    assertThat(jsonRpcError.getData()).isEqualTo("Missing blob gas fields");
+    assertThat(jsonRpcError.getData()).isEqualTo("Missing blob gas used field");
     verify(engineCallListener, times(1)).executionEngineCalled();
   }